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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

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

67°F

19°C

Humidity	97%
Wind Speed	N 3 mph
Barometer	30.00 in (1015.0 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	20 Sep 8:53 pm EDT

More Information:

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

Extended Forecast for

Mapleton PA

Tonight
Low: 57 °F
Patchy Fog
Monday
High: 68 °F
Showers
Likely and
Patchy Fog
Monday Night
Low: 54 °F
Showers
Tuesday
High: 62 °F
Showers
Tuesday Night
Low: 51 °F
Showers
Likely
Wednesday
High: 62 °F
Chance
Showers
Wednesday Night
Low: 49 °F
Chance
Showers
Thursday
High: 62 °F
Mostly Cloudy
Thursday Night
Low: 48 °F
Mostly Cloudy

Detailed Forecast

Tonight

Patchy fog after 11pm. Otherwise, cloudy, with a low around 57. Calm wind becoming north around 5 mph after midnight.

Monday

Showers likely, mainly between noon and 3pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 68. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Showers. Low around 54. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday

Showers. High near 62. East wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers likely, mainly before 2am. Cloudy, with a low around 51. East wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

Thursday

Mostly cloudy, with a high near 62.

Thursday Night

Mostly cloudy, with a low around 48.

Friday

Mostly sunny, with a high near 66.

Friday Night

Partly cloudy, with a low around 48.

Saturday

Mostly sunny, with a high near 71.