10-Day Weather Forecast - Herndon, PA
- |67°F70% Chance of StormsHourly details
Tonight
67°FCloudy with thunderstorms likely. A chance of showers late this evening then showers likely. Patchy fog. Some thunderstorms may produce gusty winds and heavy rainfall. Lows in the mid 60s. East winds around 5 mph. Chance of rain 70 percent.
- 75|66°F50% Chance of StormsHourly details
Day
75°FMostly cloudy with a chance of showers. Patchy fog. A chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. East winds around 5 mph. Chance of rain 50 percent.
Night
66°FMostly cloudy. A chance of showers in the evening. Humid with lows in the lower 60s. East winds around 5 mph in the evening becoming light and variable. Chance of rain 40 percent.
- 79|68°FMostly SunnyHourly details
Day
79°FMostly sunny. Humid with highs in the lower 80s. Light and variable winds becoming southwest around 5 mph in the afternoon.
Night
68°FPartly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 40 percent.
- 82|69°F80% Chance of StormsHourly details
Day
82°FMostly cloudy. A chance of showers in the morning then showers with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Chance of rain 80 percent.
Night
69°FMostly cloudy in the evening then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows in the upper 60s. Chance of rain 40 percent.
- 82|67°F70% Chance of StormsHourly details
Day
82°FPartly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 70 percent.
Night
67°FMostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Humid with lows in the mid 60s. Chance of rain 70 percent.
Weekend Weather
- 81|64°F40% Chance of StormsHourly details
Day
81°FPartly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Chance of rain 40 percent.
Night
64°FPartly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 40 percent.
- 82|64°FMostly SunnyHourly details
Day
82°FMostly sunny. Highs around 80.
Night
64°FPartly cloudy. Lows in the lower 60s.
- 83|64°FMostly Sunny
Day
83°FMostly sunny. Humid. Very warm with highs in the mid 80s.
Night
64°FMostly clear with a 30% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 64F with an average humidity of 82%. Winds will be 1 mph from the W.
- 83|66°FSunny
Day
83°FSunny. High temperature around 83F. Dew point will be around 67F with an average humidity of 75%. Winds will be 3 mph from the NW.
Night
66°FClear with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 82%. Winds will be 2 mph from the W.
- 83|65°F30% Chance of Storms
Day
83°FSunny with a 80% chance for rain and thunderstorms. High temperature around 83F. Dew point will be around 68F with an average humidity of 75%. Winds will be 4 mph from the NW.
Night
65°FMostly clear with scattered thunderstorms. Chance of storms 60%. Low temperature around 65F. Dew point will be around 64F with an average humidity of 79%. Winds will be 2 mph from the NW.













