ChescoWx

Quite the spread in low temperatures across the area this morning. While many lower spots like Warwick Township saw temperatures in the mid 40’s (44.2) other ridge locations like down in West Grove almost stayed above 60 degrees (59.7) Today could be one of our last days until next spring to see temperature approach the 80-degree mark. We cool a few degrees tomorrow and then with some needed rain and a cold front passage on Tuesday night we will see temperatures on Wednesday remaining in the 60’s and by Thursday some spots may barely escape from the 50’s for high temperatures. Low temperatures by Friday morning should be in the 30’s for much of the area with even a touch of frost for some of typically colder valley locations. Rainfall amounts by Wednesday morning could be between 0.50” and 1.00”

Happy Red Phillies October to those who celebrate! Tough one last night! Today looks to be our warmest day over the next week. Lower spots in the area should approach 80 degrees. We should see temperatures a couple of degrees cooler by tomorrow and then falling to below normal levels by Thursday. Highs on Thursday should be not too far from 60 degrees. There is a chance of some beneficial rain on Tuesday night into Wednesday morning. That looks to be our only chance of rain over the next week. Go Phillies!

Happy Red Phillies October to those who celebrate! Tough one last night! Today looks to be our warmest day over the next week. Lower spots in the area should approach 80 degrees. We should see temperatures a couple of degrees cooler by tomorrow and then falling to below normal levels by Thursday. Highs on Thursday should be not too far from 60 degrees. There is a chance of some beneficial rain on Tuesday night into Wednesday morning. That looks to be our only chance of rain over the next week. Go Phillies!

Some of our colder valley locations again saw low temperatures this morning in the upper 30's with most other spots remaining in the lower 40's. A beautiful stretch of weather through Tuesday with temperatures near normal for early October today with highs in the upper 60's to near 70 degrees. We warm up to above normal tomorrow through Tuesday. Shower chances arrive on Tuesday night with a cold front which will turn us sharply cooler again by later next week.

Some of our colder valley locations again saw low temperatures this morning in the upper 30's with most other spots remaining in the lower 40's. A beautiful stretch of weather through Tuesday with temperatures near normal for early October today with highs in the upper 60's to near 70 degrees. We warm up to above normal tomorrow through Tuesday. Shower chances arrive on Tuesday night with a cold front which will turn us sharply cooler again by later next week.

Some of our colder valley locations saw lows this morning in the chilly 30's. The lowest was at Warwick Township at 37.4 degrees. The next couple of days will be seasonably cool with highs not too far from normal in the upper 60's but lows a bit below normal including some of those same spots tonight sinking into the 30's. We start a moderating trend starting Saturday that should last through the middle of next week before we turn much cooler again toward the end of next week. Our best rain chances look to be next Tuesday or Wednesday.

Some of our colder valley locations saw lows this morning in the chilly 30's. The lowest was at Warwick Township at 37.4 degrees. The next couple of days will be seasonably cool with highs not too far from normal in the upper 60's but lows a bit below normal including some of those same spots tonight sinking into the 30's. We start a moderating trend starting Saturday that should last through the middle of next week before we turn much cooler again toward the end of next week. Our best rain chances look to be next Tuesday or Wednesday.

Happy Red October for those who celebrate - Go Phillies!! I will have the final September climate wrap up for Chester County later today, but it looks like we finished with slightly above normal temperatures and below normal rainfall. We have had 5 months with above normal temperatures and 4 months with below normal temperatures so far here in 2025. We are much cooler this morning with the chilliest spot being the 49.5 degrees at Chester Springs. We will see dry weather with below normal temperatures through Friday and then a nice warmup through next Tuesday before we cool down again during the middle to end of next week. As has been the case no rain in sight.

Happy Red October for those who celebrate - Go Phillies!! I will have the final September climate wrap up for Chester County later today, but it looks like we finished with slightly above normal temperatures and below normal rainfall. We have had 5 months with above normal temperatures and 4 months with below normal temperatures so far here in 2025. We are much cooler this morning with the chilliest spot being the 49.5 degrees at Chester Springs. We will see dry weather with below normal temperatures through Friday and then a nice warmup through next Tuesday before we cool down again during the middle to end of next week. As has been the case no rain in sight.

10/30/2011

Excited to share that for the first time since The https://chescowx.com/ launch way back in 1999 we have engaged professional support to upgrade the site and content. The site is still being modified to bring you all of that great content on the unique climate and changing climate specific to Chester County PA. Drop by and let us know if any suggestions for content or layout. Thanks! Paul

Who is ready for October starting tomorrow. We have seen summer like readings of 100 degrees and temperatures in the teens. We even occasionally see snow. Who remembers 2011 when between 5" to 9" of snow fell across the county? October Chester County PA records are below.

Who is ready for October starting tomorrow. We have seen summer like readings of 100 degrees and temperatures in the teens. We even occasionally see snow. Who remembers 2011 when between 5" to 9" of snow fell across the county? October Chester County PA records are below.

Today we should see temperature once again reach above normal levels in the mid to upper 70's. There will however be a noticeable lowering of humidity and dew points by this afternoon. We cool to below normal levels as we start October tomorrow with high temperatures across most of the county remaining in the mid to upper 60's for the rest of the work week. By the weekend we should see a warming trend with temperatures rising into the mid to upper 70's. There is almost no chance of rain for at least the next week.

Today we should see temperature once again reach above normal levels in the mid to upper 70's. There will however be a noticeable lowering of humidity and dew points by this afternoon. We cool to below normal levels as we start October tomorrow with high temperatures across most of the county remaining in the mid to upper 60's for the rest of the work week. By the weekend we should see a warming trend with temperatures rising into the mid to upper 70's. There is almost no chance of rain for at least the next week.

Yesterday’s high temperature of 79.1 degrees in East Nantmeal (22 years of data) set a new daily record for the date the old high temperature record was 77.9 in 2019. While it was unseasonably warm yesterday…it was still much cooler that the overall county record for the date which was 90 degrees set back in 1945 in Phoenixville. Today and tomorrow will continue the unseasonably warm temperatures with highs both days well into the 70’s to near 80 in some of our valley locations. Our normal high temperatures here in Chester County for late September are in the low 70’s. We turn sharply cooler tomorrow night with lows by Wednesday morning in the upper 40’s to near 50 degrees. Thursday and Friday will be sunny but unseasonably chilly with highs in the mid 60’s and lows in the low to mid 40’s with even some 30’s across the valley spots. We slowly warm back up to normal temperatures by the weekend. Unfortunately, no rain chances this entire week.

Yesterday’s high temperature of 79.1 degrees in East Nantmeal (22 years of data) set a new daily record for the date the old high temperature record was 77.9 in 2019. While it was unseasonably warm yesterday…it was still much cooler that the overall county record for the date which was 90 degrees set back in 1945 in Phoenixville. Today and tomorrow will continue the unseasonably warm temperatures with highs both days well into the 70’s to near 80 in some of our valley locations. Our normal high temperatures here in Chester County for late September are in the low 70’s. We turn sharply cooler tomorrow night with lows by Wednesday morning in the upper 40’s to near 50 degrees. Thursday and Friday will be sunny but unseasonably chilly with highs in the mid 60’s and lows in the low to mid 40’s with even some 30’s across the valley spots. We slowly warm back up to normal temperatures by the weekend. Unfortunately, no rain chances this entire week.

Only made it to 79.1 here in East Nantmeal....

Hey guys, I am really excited to share that after 26 years I am in the process of having a professional refresh and updating my Chester County PA Weather website to the 21st century. It is still in process and will be updated with more and more data over the coming month. If interested stop by and please give me any feedback or recommendations for additional content or updates. Thanks again! Paul https://chescowx.com/

Hey guys, I am really excited to share that after 26 years I am in the process of having a professional refresh and updating my Chester County PA Weather website to the 21st century. It is still in process and will be updated with more and more data over the coming month and going forward. If interested stop by and please give me any feedback or recommendations for additional content or updates. Thanks again! Paul https://chescowx.com/

Today will be our warmest day of the week along with some relatively high humidity for late September. Today’s highs will be in the upper 70's in the higher spots to lower 80's in valley locations. A couple of degrees cooler tomorrow followed by our chilliest weather so far this autumn season with highs by mid-week remaining in the 60's and morning lows well down into the 40's with even some 30's possible for our colder valley locations. We look dry through the entire week.

Today will be our warmest day of the week along with some relatively high humidity for late September. Today’s highs will be in the upper 70's in the higher spots to lower 80's in valley locations. A couple of degrees cooler tomorrow followed by our chilliest weather so far this autumn season with highs by mid-week remaining in the 60's and morning lows well down into the 40's with even some 30's possible for our colder valley locations. We look dry through the entire week.

Any morning sun will fade behind clouds this afternoon. Some showers should start overspreading the area from south to north after 7pm this evening. Most spots across Chester County could see between 0.25" to 0.50" of rain. The sun returns tomorrow with continued above normal temperatures in the upper 70's. This will continue through early in the work week before we start a big cool down by the middle of the week. Of note you will see in the climate records below that 40 years ago today back in 1985 we experienced heavy rain across the area as a result of Hurricane Gloria.

Any morning sun will fade behind clouds this afternoon. Some showers should start overspreading the area from south to north after 7pm this evening. Most spots across Chester County could see between 0.25" to 0.50" of rain. The sun returns tomorrow with continued above normal temperatures in the upper 70's. This will continue through early in the work week before we start a big cool down by the middle of the week. Of note you will see in the climate records below that 40 years ago today back in 1985 we experienced heavy rain across the area as a result of Hurricane Gloria.

https://www.freedom-research.org/p/us-climate-report-the-climate-research