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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

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

71°F

22°C

Humidity	46%
Wind Speed	NE 14 G 18 mph
Barometer	30.11 in (1019.3 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	21 Sep 12:54 pm EDT

More Information:

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

Extended Forecast for

Avis PA

This Afternoon
High: 67 °F
Mostly Cloudy
Tonight
Low: 52 °F
Showers
Likely then
Showers
Tuesday
High: 62 °F
Showers then
Slight Chance
Showers
Tuesday Night
Low: 49 °F
Cloudy
Wednesday
High: 65 °F
Mostly Cloudy
Wednesday Night
Low: 46 °F
Mostly Cloudy
Thursday
High: 65 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 68 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 67. Northeast wind around 7 mph.

Tonight

Showers, mainly after 11pm. Low around 52. Northeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

Showers before 1pm, then a slight chance of showers after 2pm. High near 62. Northeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Cloudy, with a low around 49. East wind 5 to 7 mph.

Wednesday

Mostly cloudy, with a high near 65. East wind around 8 mph.

Wednesday Night

Mostly cloudy, with a low around 46.

Thursday

Mostly sunny, with a high near 65.

Thursday Night

Partly cloudy, with a low around 46.

Friday

Mostly sunny, with a high near 68.