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When does the first frost occur in Central PA? See when the first 36 degree temperatures typically occur.
A 5th tornado has been determined to have occurred in Central PA (Burnside Twp in northern Centre County) on July 18th, 2026. See details.
See information on the Cyclone (PA) Tornado of Sept 9th, 2026
See information on 3 Tornadoes that occurred on September 1st, 2026

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Overcast

68°F

20°C

Humidity	93%
Wind Speed	NW 5 mph
Barometer	29.96 in (1014.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	20 Sep 10:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Littlestown PA

Overnight
Low: 58 °F
Patchy Fog
Monday
High: 68 °F
Patchy Fog
then Chance
Showers
Monday Night
Low: 53 °F
Showers
Tuesday
High: 61 °F
Showers
Tuesday Night
Low: 50 °F
Showers
Likely
Wednesday
High: 61 °F
Chance
Showers
Wednesday Night
Low: 49 °F
Chance
Showers
Thursday
High: 61 °F
Chance
Showers
Thursday Night
Low: 47 °F
Mostly Cloudy

Detailed Forecast

Overnight

Patchy fog. Otherwise, cloudy, with a low around 58. North wind around 7 mph.

Monday

A chance of showers after 3pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 68. Northeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Showers. Low around 53. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 61. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers likely, mainly before 2am. Cloudy, with a low around 50. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

Thursday

A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.

Thursday Night

Mostly cloudy, with a low around 47.

Friday

Mostly sunny, with a high near 64.

Friday Night

Partly cloudy, with a low around 48.

Saturday

Mostly sunny, with a high near 68.