Central PA Fall Discussions and Obs

[Voyager]

3 hours ago, Jns2183 said:

80's in October is sacrilege. I guess we are paying for August

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Remember the year we had 90's in October? I think it was either 07 or 08.

[WmsptWx]

22 minutes ago, Voyager said:

Remember the year we had 90's in October? I think it was either 07 or 08.

I think it was 2008. I feel like I remember watching people at the Bank dropping dead of heat stroke during a Phillies game.

[Mount Joy Snowman]

62 when I left the house. Carry on. 

[mahantango#1]

Enjoying this late summer warmth...sometime soon those cold gusty 30-40 mph northerly winds will takeover. Making it unpleasant to be outside. Not looking forward to those unrelenting winds. Until then, I'll take what this current warm weather has to offer.

[Jonesy56]

14 hours ago, Voyager said:

Remember the year we had 90's in October? I think it was either 07 or 08.

KMDT hit 93 on Oct 2, 2019, Cap City reached 95... I was not a happy camper.

[ChescoWx]

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.

[WmsptWx]

Ninetys in Minnesota next week.

[ChescoWx]

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.

[Yardstickgozinya]

One of the first things that popped up on the search so take it with a grain of salt.

Harrisburg

Rank	Temperature	Date
1	97 °F	October 7, 1941
1	97 °F	October 5, 1941
3	93 °F	October 2, 2019
3	93 °F	October 6, 1941
5	90 °F	October 5, 1959
5	90 °F	October 1, 1927
7	89 °F	October 9, 2007
7	89 °F	October 6, 1997
7	89 °F	October 5, 1951
7	89 °F	October 5, 1922
11	88 °F	October 8, 2007
11	88 °F	October 6, 1959
11	88 °F	October 12, 1954
11	88 °F	October 10, 1949
11	88 °F	October 4, 1941
11	88 °F	October 3, 1919
11	88 °F	October 6, 1900
18	87 °F	October 1, 2019
18	87 °F	October 7, 1963
18	87 °F	October 4, 1959
18	87 °F	October 2, 1927
18	87 °F	October 6, 1922

[Mount Joy Snowman]

Low of 57. A splendid few days on tap. 

[mahantango#1]

48 this morning.

[Mount Joy Snowman]

MDT ended September with a mean temp of 70.2, good for 13th warmest all-time.  

[Superstorm]

54F here in Lanco. Closer to normal. Beautiful morning.


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[ChescoWx]

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.

[pasnownut]

Happy hump day.  Just parsing over extended, and it looks like a week from today will be a notable step into fall weather.  Not looking too deep, but hoping the pattern change being shown holds, as cooler and wetter times are being shown.  Wood stove likely gets first burn next week.