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As of 17:11 EDT

Weather in Herndon, PA

63°Current weather

Herndon, Wednesday, 28 October, 17:11

Clear. Feels like 62°. High 64°, low 42°.

Pressure30.33 inHg
Wind3.4 mph SW
Humidity65%
Visibility6.2 mi
Dew point51°

10-day forecast for Herndon, PA: 42° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

70°
Best day: Thursday, October 29
63° · 2.61 in
Worst day: Thursday, November 5

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

Thu, 2970° / 44°0Clear
MorningOvercast46°feels 44°
AfternoonClear70°feels 70°
EveningClear57°feels 56°
OvernightClear45°feels 42°
70 °Clear

Herndon, Thursday, 29 October

Clear. High 70°, low 44°.

Pressure30.24 inHg
Wind6.5 mph S
Humidity73%
Visibility6.2 mi
Dew point52°
Fri, 3065° / 47°0.02Light rain
MorningClear53°feels 52°
AfternoonMostly clear65°feels 63°
EveningMostly clear52°feels 49°
OvernightClear50°feels 49°
65 °Light rain

Herndon, Friday, 30 October

Light rain. High 65°, low 47°.

Pressure30.15 inHg
Wind11.4 mph NW
Humidity53%
Visibility6.2 mi
Dew point47°
Sat, 3157° / 42°0Overcast
MorningPartly cloudy42°feels 40°
AfternoonOvercast56°feels 54°
EveningOvercast49°feels 48°
OvernightOvercast45°feels 45°
57 °Overcast

Herndon, Saturday, 31 October

Overcast. High 57°, low 42°.

Pressure30.45 inHg
Wind5.4 mph N
Humidity60%
Visibility6.2 mi
Dew point39°
Sun, 0160° / 47°0.03Light rain
MorningMostly clear47°feels 46°
AfternoonOvercast60°feels 58°
EveningLight rain57°feels 56°
OvernightOvercast48°feels 48°
60 °Light rain

Herndon, Sunday, 1 November

Light rain. High 60°, low 47°.

Pressure30.39 inHg
Wind6.1 mph S
Humidity62%
Visibility6.2 mi
Dew point45°
Mon, 0265° / 42°0Overcast
MorningOvercast47°feels 46°
AfternoonOvercast57°feels 56°
EveningOvercast62°feels 61°
OvernightOvercast49°feels 49°
65 °Overcast

Herndon, Monday, 2 November

Overcast. High 65°, low 42°.

Pressure30.33 inHg
Wind4.7 mph S
Humidity75%
Visibility—
Dew point46°
Tue, 0363° / 48°0Overcast
MorningOvercast51°feels 51°
AfternoonOvercast58°feels 57°
EveningOvercast59°feels 58°
OvernightOvercast51°feels 51°
63 °Overcast

Herndon, Tuesday, 3 November

Overcast. High 63°, low 48°.

Pressure30.24 inHg
Wind5.1 mph S
Humidity78%
Visibility—
Dew point49°
Wed, 0461° / 52°0Overcast
MorningOvercast56°feels 55°
AfternoonOvercast59°feels 58°
EveningOvercast60°feels 59°
OvernightOvercast56°feels 55°
61 °Overcast

Herndon, Wednesday, 4 November

Overcast. High 61°, low 52°.

Pressure30.15 inHg
Wind9.6 mph SE
Humidity79%
Visibility—
Dew point52°
Thu, 0563° / 56°2.61Heavy rain
MorningHeavy rain56°feels 56°
AfternoonHeavy rain58°feels 57°
EveningHeavy rain59°feels 60°
OvernightHeavy rain61°feels 62°
63 °Heavy rain

Herndon, Thursday, 5 November

Heavy rain. High 63°, low 56°.

Pressure29.80 inHg
Wind17.6 mph SE
Humidity92%
Visibility—
Dew point55°
Fri, 0661° / 43°0.45Rain
MorningRain59°feels 59°
AfternoonRain59°feels 58°
EveningRain53°feels 52°
OvernightRain46°feels 46°
61 °Rain

Herndon, Friday, 6 November

Rain. High 61°, low 43°.

Pressure29.50 inHg
Wind14.2 mph W
Humidity83%
Visibility—
Dew point54°

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.