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As of 08:17 EST

Weather in Herndon, PA

51°Current weather

Herndon, Thursday, 12 November, 08:17

Overcast. Feels like 50°. High 55°, low 45°.

Pressure29.56 inHg
Wind5.7 mph N
Humidity85%
Visibility6.2 mi
Dew point47°

10-day forecast for Herndon, PA: 29° to 61°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

61°
Best day: Saturday, November 21
55° · 0.71 in
Worst day: Thursday, November 12

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

Fri, 1345° / 35°0.2Snow
MorningLight rain37°feels 30°
AfternoonLight rain40°feels 35°
EveningOvercast39°feels 34°
OvernightLight rain43°feels 37°
45 °Snow

Herndon, Friday, 13 November

Snow. High 45°, low 35°.

Pressure29.74 inHg
Wind9.3 mph N
Humidity91%
Visibility4.4 mi
Dew point35°
Sat, 1445° / 34°0Overcast
MorningOvercast37°feels 30°
AfternoonOvercast45°feels 38°
EveningMostly clear40°feels 35°
OvernightOvercast34°feels 29°
45 °Overcast

Herndon, Saturday, 14 November

Overcast. High 45°, low 34°.

Pressure29.91 inHg
Wind13.5 mph NW
Humidity61%
Visibility6.2 mi
Dew point25°
Sun, 1546° / 37°0Partly cloudy
MorningOvercast42°feels 37°
AfternoonOvercast46°feels 40°
EveningOvercast39°feels 35°
OvernightOvercast41°feels 35°
46 °Partly cloudy

Herndon, Sunday, 15 November

Partly cloudy. High 46°, low 37°.

Pressure30.21 inHg
Wind12.1 mph NW
Humidity56%
Visibility6.2 mi
Dew point28°
Mon, 1648° / 36°0Overcast
MorningOvercast40°feels 37°
AfternoonOvercast45°feels 40°
EveningOvercast46°feels 44°
OvernightOvercast38°feels 35°
48 °Overcast

Herndon, Monday, 16 November

Overcast. High 48°, low 36°.

Pressure30.47 inHg
Wind8.8 mph NW
Humidity62%
Visibility—
Dew point31°
Tue, 1752° / 29°0Partly cloudy
MorningPartly cloudy34°feels 34°
AfternoonPartly cloudy45°feels 44°
EveningPartly cloudy50°feels 47°
OvernightPartly cloudy37°feels 35°
52 °Partly cloudy

Herndon, Tuesday, 17 November

Partly cloudy. High 52°, low 29°.

Pressure30.50 inHg
Wind3.6 mph NW
Humidity68%
Visibility—
Dew point32°
Wed, 1853° / 33°0Clear
MorningClear37°feels 37°
AfternoonClear46°feels 46°
EveningClear49°feels 46°
OvernightClear38°feels 38°
53 °Clear

Herndon, Wednesday, 18 November

Clear. High 53°, low 33°.

Pressure30.47 inHg
Wind3.2 mph NW
Humidity65%
Visibility—
Dew point33°
Thu, 1956° / 35°0Clear
MorningClear39°feels 39°
AfternoonClear48°feels 48°
EveningClear50°feels 47°
OvernightClear40°feels 40°
56 °Clear

Herndon, Thursday, 19 November

Clear. High 56°, low 35°.

Pressure30.42 inHg
Wind1.3 mph NE
Humidity60%
Visibility—
Dew point33°
Fri, 2056° / 38°0Overcast
MorningOvercast42°feels 42°
AfternoonOvercast50°feels 49°
EveningOvercast51°feels 49°
OvernightOvercast44°feels 43°
56 °Overcast

Herndon, Friday, 20 November

Overcast. High 56°, low 38°.

Pressure30.33 inHg
Wind4.6 mph SW
Humidity60%
Visibility—
Dew point35°
Sat, 2161° / 42°0Overcast
MorningOvercast46°feels 45°
AfternoonOvercast53°feels 51°
EveningOvercast56°feels 54°
OvernightOvercast46°feels 46°
61 °Overcast

Herndon, Saturday, 21 November

Overcast. High 61°, low 42°.

Pressure30.21 inHg
Wind6.3 mph NW
Humidity63%
Visibility—
Dew point39°

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.