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As of 00:18 EST

Weather in Herndon, PA

53°Current weather

Herndon, Thursday, 12 November, 00:18

Light rain. Feels like 51°. High 55°, low 42°.

Pressure29.71 inHg
Wind3 mph E
Humidity73%
Visibility5.5 mi
Dew point45°

10-day forecast for Herndon, PA: 30° to 59°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

59°
Best day: Saturday, November 21
55° · 0.43 in
Worst day: Thursday, November 12

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

Fri, 1345° / 35°0.07Light rain
MorningLight rain37°feels 29°
AfternoonOvercast44°feels 38°
EveningPartly cloudy38°feels 32°
OvernightLight rain40°feels 33°
45 °Light rain

Herndon, Friday, 13 November

Light rain. High 45°, low 35°.

Pressure29.71 inHg
Wind13.4 mph N
Humidity64%
Visibility6.2 mi
Dew point31°
Sat, 1444° / 33°0Overcast
MorningMostly clear37°feels 30°
AfternoonOvercast44°feels 37°
EveningMostly clear38°feels 32°
OvernightPartly cloudy36°feels 31°
44 °Overcast

Herndon, Saturday, 14 November

Overcast. High 44°, low 33°.

Pressure29.88 inHg
Wind10.5 mph NW
Humidity63%
Visibility6.2 mi
Dew point27°
Sun, 1548° / 37°0Overcast
MorningOvercast42°feels 36°
AfternoonOvercast47°feels 42°
EveningOvercast43°feels 38°
OvernightPartly cloudy37°feels 31°
48 °Overcast

Herndon, Sunday, 15 November

Overcast. High 48°, low 37°.

Pressure30.18 inHg
Wind13.5 mph NW
Humidity57%
Visibility6.2 mi
Dew point32°
Mon, 1649° / 37°0Overcast
MorningOvercast41°feels 36°
AfternoonOvercast45°feels 40°
EveningOvercast47°feels 45°
OvernightOvercast38°feels 35°
49 °Overcast

Herndon, Monday, 16 November

Overcast. High 49°, low 37°.

Pressure30.45 inHg
Wind9.9 mph NW
Humidity60%
Visibility—
Dew point31°
Tue, 1752° / 30°0Clear
MorningClear36°feels 36°
AfternoonClear45°feels 45°
EveningClear47°feels 47°
OvernightClear36°feels 36°
52 °Clear

Herndon, Tuesday, 17 November

Clear. High 52°, low 30°.

Pressure30.50 inHg
Wind3.2 mph NW
Humidity65%
Visibility—
Dew point31°
Wed, 1853° / 32°0Clear
MorningClear36°feels 36°
AfternoonClear45°feels 45°
EveningClear47°feels 47°
OvernightClear38°feels 38°
53 °Clear

Herndon, Wednesday, 18 November

Clear. High 53°, low 32°.

Pressure30.50 inHg
Wind2.8 mph N
Humidity64%
Visibility—
Dew point31°
Thu, 1955° / 34°0Clear
MorningClear39°feels 39°
AfternoonClear48°feels 47°
EveningClear49°feels 47°
OvernightClear39°feels 39°
55 °Clear

Herndon, Thursday, 19 November

Clear. High 55°, low 34°.

Pressure30.42 inHg
Wind2.5 mph N
Humidity60%
Visibility—
Dew point32°
Fri, 2055° / 34°0Mostly clear
MorningMostly clear39°feels 39°
AfternoonMostly clear48°feels 47°
EveningMostly clear49°feels 47°
OvernightMostly clear40°feels 40°
55 °Mostly clear

Herndon, Friday, 20 November

Mostly clear. High 55°, low 34°.

Pressure30.30 inHg
Wind2.4 mph N
Humidity58%
Visibility—
Dew point32°
Sat, 2159° / 39°0Overcast
MorningOvercast42°feels 42°
AfternoonOvercast50°feels 50°
EveningOvercast54°feels 52°
OvernightOvercast46°feels 46°
59 °Overcast

Herndon, Saturday, 21 November

Overcast. High 59°, low 39°.

Pressure30.15 inHg
Wind5.3 mph W
Humidity53%
Visibility—
Dew point32°

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.