Hazardous Weather Conditions
Current conditions at
Selinsgrove Penn Valley Airport (KSEG)
Lat: 40.82°NLon: 76.87°WElev: 443ft.
Fog/Mist
65°F
18°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.09 in (1018.7 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 6.00 mi |
| Last update | 19 May 6:53 am EDT |
Extended Forecast for
Herndon PA
Today
High: 93 °F
Hot
Tonight
Low: 69 °F
Mostly Cloudy
Wednesday
High: 88 °F
Chance
Showers then
ShowersWednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 68 °F
Partly Sunny
Thursday Night
Low: 49 °F
Mostly Cloudy
Friday
High: 64 °F
Showers
LikelyFriday Night
Low: 48 °F
Showers
Saturday
High: 61 °F
Showers
Detailed Forecast
Today
Mostly sunny and hot, with a high near 93. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, with a low around 69. Calm wind.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Cloudy during the early evening, then becoming partly cloudy, with a low around 51. North wind around 6 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 68. North wind 5 to 8 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Friday Night
Showers. Low around 48. Chance of precipitation is 90%.
Saturday
Showers. High near 61. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 53. Chance of precipitation is 80%.
Sunday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Memorial Day
Mostly cloudy, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Herndon PA
40.72°N 76.85°W (Elev. 397 ft)
40.72°N 76.85°W (Elev. 397 ft)
6:14 am EDT May 19, 2026
7am EDT May 19, 2026-6pm EDT May 25, 2026
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