Londonderry, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

32°F
Feels Like 31°F  
Humidity 81% Dew Point 27°F Wind SSW 2 MPH Gusts 6 Barometer 30.06 in.
Solar Rad 188 w/m2
Report from a MADIS/MESONET weather station 1.9 mi. SSE of central Londonderry
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Point Forecast at a Glance

ThuDec 4
Thu Dec 4: Mostly Cloudy, High 37F, Low 17F
37
17
FriDec 5
Fri Dec 5: Snow, High 30F, Low 23F
30%
30
23
SatDec 6
Sat Dec 6: Partly Sunny, High 39F, Low 25F
39
25
SunDec 7
Sun Dec 7: Partly Sunny, High 39F, Low 21F
39
21
MonDec 8
Mon Dec 8: Mostly Sunny, High 29F, Low 14F
29
14
TueDec 9
Tue Dec 9: Mostly Sunny, High 34F, Low 26F
34
26
WedDec 10
Wed Dec 10: Partly Sunny, High 41F
41
 

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 29°F to 41°F. Mostly dry conditions with only one day showing snow chances.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 44°F with lows around 28°F.

This Date in Weather History

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

More on this and other weather history

Londonderry, PA 7 Day Weather Forecast Details

Thursday Dec 4

Mostly Cloudy

Day: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

Friday Dec 5

Snow

Day: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 30. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Snow

Night: A slight chance of snow before 1am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

Saturday Dec 6

Partly Sunny

Day: Partly sunny, with a high near 39. Calm wind becoming west around 5 mph in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 25.

Sunday Dec 7

Partly Sunny

Day: Partly sunny, with a high near 39.

Mostly Cloudy

Night: Mostly cloudy, with a low around 21.

Monday Dec 8

Mostly Sunny

Day: Mostly sunny, with a high near 29.

Partly Cloudy

Night: Partly cloudy, with a low around 14.

Tuesday Dec 9

Mostly Sunny

Day: Mostly sunny, with a high near 34.

Mostly Cloudy

Night: Mostly cloudy, with a low around 26.

Wednesday Dec 10

Partly Sunny

Day: Partly sunny, with a high near 41.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.