National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

State College Regional Airport (KUNV)

Lat: 40.85°NLon: 77.85°WElev: 1231ft.

Rain

48°F

9°C

Humidity 75%
Wind Speed W 13 G 18 mph
Barometer 29.91 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 4:55 am EDT
Extended Forecast for

Castanea PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning

  • Overnight

    Overnight: Showers. Steady temperature around 49. Northwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 9am. High near 53. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Increasing clouds, with a low around 33. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 46. Northwest wind 6 to 9 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 4am. Otherwise, mostly clear, with a low around 26. Light northwest wind.

    Low: 26 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Steady temperature around 49. Northwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 9am. High near 53. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers after 1am. Increasing clouds, with a low around 33. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 46. Northwest wind 6 to 9 mph.
Monday Night
Widespread frost after 4am. Otherwise, mostly clear, with a low around 26. Light northwest wind.
Tuesday
Sunny, with a high near 58.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 77.
Friday Night
A chance of showers. Partly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castanea PA
 41.13°N 77.45°W (Elev. 604 ft)
Last Update:
2:21 am EDT Apr 19, 2026
Forecast Valid:
5am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation