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Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fair
81°F
27°C
| Humidity | 44% |
| Wind Speed | SW 7 mph |
| Barometer | 29.73 in (1006.5 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 17 Jun 4:53 pm EDT |
Extended Forecast for
Herndon PA
This Afternoon

High: 82 °F
Slight Chance
T-stormsTonight

Low: 65 °F
Mostly Cloudy
Thursday
High: 87 °F
Showers
Likely then
Slight Chance
T-stormsThursday Night

Low: 60 °F
Partly Cloudy
Juneteenth

High: 81 °F
Sunny
Friday Night

Low: 58 °F
Mostly Clear
Saturday

High: 80 °F
Sunny
Saturday Night

Low: 57 °F
Mostly Clear
Sunday

High: 82 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 65. Calm wind becoming south 5 to 7 mph after midnight. Winds could gust as high as 21 mph.
Thursday
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 87. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 60. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 25 mph.
Juneteenth
Sunny, with a high near 81. West wind 5 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Monday
Showers. High near 77. Chance of precipitation is 80%.
Monday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Herndon PA
40.72°N 76.85°W (Elev. 397 ft)
40.72°N 76.85°W (Elev. 397 ft)
2:21 pm EDT Jun 17, 2026
4pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026


