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As of 15:29 EST

Weather in Herndon, PA

70°Current weather

Herndon, Monday, 2 November, 15:29

Clear. Feels like 68°. High 67°, low 41°.

Pressure30.30 inHg
Wind8.1 mph S
Humidity45%
Visibility6.2 mi
Dew point46°

10-day forecast for Herndon, PA: 39° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

70°
Best day: Wednesday, November 4
50° · 0.94 in
Worst day: Monday, November 9

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

Tue, 0369° / 41°0Overcast
MorningOvercast49°feels 47°
AfternoonPartly cloudy69°feels 68°
EveningMostly clear52°feels 51°
OvernightOvercast43°feels 40°
69 °Overcast

Herndon, Tuesday, 3 November

Overcast. High 69°, low 41°.

Pressure30.27 inHg
Wind5.8 mph S
Humidity53%
Visibility6.2 mi
Dew point45°
Wed, 0470° / 45°0Clear
MorningPartly cloudy53°feels 53°
AfternoonClear70°feels 69°
EveningOvercast59°feels 59°
OvernightClear47°feels 43°
70 °Clear

Herndon, Wednesday, 4 November

Clear. High 70°, low 45°.

Pressure30.09 inHg
Wind10 mph S
Humidity65%
Visibility6.2 mi
Dew point55°
Thu, 0569° / 58°0.32Rain
MorningRain60°feels 60°
AfternoonLight rain69°feels 69°
EveningMostly clear61°feels 62°
OvernightOvercast58°feels 58°
69 °Rain

Herndon, Thursday, 5 November

Rain. High 69°, low 58°.

Pressure29.91 inHg
Wind9.8 mph S
Humidity92%
Visibility6.2 mi
Dew point62°
Fri, 0666° / 52°0Overcast
MorningOvercast56°feels 56°
AfternoonClear65°feels 65°
EveningOvercast63°feels 62°
OvernightOvercast58°feels 58°
66 °Overcast

Herndon, Friday, 6 November

Overcast. High 66°, low 52°.

Pressure29.88 inHg
Wind3.3 mph N
Humidity76%
Visibility6.2 mi
Dew point56°
Sat, 0766° / 49°0.02Light rain
MorningLight rain53°feels 51°
AfternoonLight rain60°feels 59°
EveningLight rain64°feels 63°
OvernightLight rain51°feels 51°
66 °Light rain

Herndon, Saturday, 7 November

Light rain. High 66°, low 49°.

Pressure29.85 inHg
Wind6.2 mph W
Humidity74%
Visibility—
Dew point49°
Sun, 0858° / 46°0Mostly clear
MorningMostly clear52°feels 50°
AfternoonMostly clear55°feels 53°
EveningMostly clear54°feels 52°
OvernightMostly clear47°feels 45°
58 °Mostly clear

Herndon, Sunday, 8 November

Mostly clear. High 58°, low 46°.

Pressure29.91 inHg
Wind8.8 mph S
Humidity60%
Visibility—
Dew point41°
Mon, 0950° / 44°0.94Rain
MorningRain46°feels 46°
AfternoonRain48°feels 46°
EveningRain46°feels 41°
OvernightRain44°feels 40°
50 °Rain

Herndon, Monday, 9 November

Rain. High 50°, low 44°.

Pressure29.71 inHg
Wind11.5 mph NW
Humidity89%
Visibility—
Dew point45°
Tue, 1050° / 41°0Partly cloudy
MorningPartly cloudy43°feels 37°
AfternoonPartly cloudy46°feels 39°
EveningPartly cloudy46°feels 40°
OvernightPartly cloudy44°feels 38°
50 °Partly cloudy

Herndon, Tuesday, 10 November

Partly cloudy. High 50°, low 41°.

Pressure29.80 inHg
Wind16 mph NW
Humidity59%
Visibility—
Dew point31°
Wed, 1152° / 39°0Partly cloudy
MorningPartly cloudy45°feels 39°
AfternoonPartly cloudy48°feels 42°
EveningPartly cloudy49°feels 46°
OvernightPartly cloudy40°feels 36°
52 °Partly cloudy

Herndon, Wednesday, 11 November

Partly cloudy. High 52°, low 39°.

Pressure29.91 inHg
Wind15.4 mph NW
Humidity59%
Visibility—
Dew point33°

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.