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As of 14:22 EST

Weather in Herndon, PA

41°Current weather

Herndon, Friday, 13 November, 14:22

Overcast. Feels like 37°. High 43°, low 39°.

Pressure29.71 inHg
Wind6.9 mph N
Humidity80%
Visibility6.2 mi
Dew point35°

10-day forecast for Herndon, PA: 30° to 61°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

61°
Best day: Sunday, November 22
43° · 0.1 in
Worst day: Friday, November 13

Tap any day below to see morning, afternoon, evening and overnight.

Sat, 1447° / 37°0Overcast
MorningPartly cloudy41°feels 36°
AfternoonOvercast47°feels 41°
EveningOvercast45°feels 40°
OvernightOvercast37°feels 31°
47 °Overcast

Herndon, Saturday, 14 November

Overcast. High 47°, low 37°.

Pressure29.88 inHg
Wind12.8 mph NW
Humidity59%
Visibility6.2 mi
Dew point27°
Sun, 1547° / 37°0Overcast
MorningOvercast40°feels 34°
AfternoonOvercast46°feels 41°
EveningOvercast39°feels 35°
OvernightPartly cloudy40°feels 35°
47 °Overcast

Herndon, Sunday, 15 November

Overcast. High 47°, low 37°.

Pressure30.24 inHg
Wind10.6 mph N
Humidity56%
Visibility6.2 mi
Dew point29°
Mon, 1649° / 34°0Overcast
MorningOvercast40°feels 35°
AfternoonPartly cloudy49°feels 46°
EveningClear38°feels 38°
OvernightMostly clear35°feels 30°
49 °Overcast

Herndon, Monday, 16 November

Overcast. High 49°, low 34°.

Pressure30.50 inHg
Wind7.7 mph NW
Humidity57%
Visibility6.2 mi
Dew point32°
Tue, 1752° / 30°0Clear
MorningPartly cloudy35°feels 35°
AfternoonMostly clear52°feels 49°
EveningClear49°feels 47°
OvernightClear33°feels 33°
52 °Clear

Herndon, Tuesday, 17 November

Clear. High 52°, low 30°.

Pressure30.50 inHg
Wind3.4 mph W
Humidity57%
Visibility6.2 mi
Dew point35°
Wed, 1855° / 32°0Mostly clear
MorningMostly clear36°feels 36°
AfternoonMostly clear47°feels 46°
EveningMostly clear51°feels 49°
OvernightMostly clear37°feels 37°
55 °Mostly clear

Herndon, Wednesday, 18 November

Mostly clear. High 55°, low 32°.

Pressure30.53 inHg
Wind3.7 mph W
Humidity68%
Visibility—
Dew point34°
Thu, 1957° / 35°0Mostly clear
MorningMostly clear39°feels 39°
AfternoonMostly clear49°feels 49°
EveningMostly clear51°feels 49°
OvernightMostly clear41°feels 41°
57 °Mostly clear

Herndon, Thursday, 19 November

Mostly clear. High 57°, low 35°.

Pressure30.45 inHg
Wind3.6 mph SW
Humidity56%
Visibility—
Dew point32°
Fri, 2058° / 42°0Mostly clear
MorningMostly clear46°feels 45°
AfternoonMostly clear55°feels 53°
EveningMostly clear54°feels 53°
OvernightMostly clear45°feels 45°
58 °Mostly clear

Herndon, Friday, 20 November

Mostly clear. High 58°, low 42°.

Pressure30.36 inHg
Wind9.8 mph NW
Humidity62%
Visibility—
Dew point40°
Sat, 2158° / 41°0Mostly clear
MorningMostly clear45°feels 44°
AfternoonMostly clear53°feels 51°
EveningMostly clear53°feels 51°
OvernightMostly clear46°feels 43°
58 °Mostly clear

Herndon, Saturday, 21 November

Mostly clear. High 58°, low 41°.

Pressure30.39 inHg
Wind8.3 mph S
Humidity68%
Visibility—
Dew point41°
Sun, 2261° / 45°0Overcast
MorningOvercast48°feels 46°
AfternoonOvercast54°feels 53°
EveningOvercast58°feels 57°
OvernightOvercast49°feels 48°
61 °Overcast

Herndon, Sunday, 22 November

Overcast. High 61°, low 45°.

Pressure30.21 inHg
Wind12.5 mph S
Humidity80%
Visibility—
Dew point46°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Herndon, PA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.