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As of 22:49 EST

Weather in Herndon, PA

64°Current weather

Herndon, Wednesday, 4 November, 22:49

Clear. Feels like 64°. High 74°, low 49°.

Pressure29.94 inHg
Wind10.4 mph S
Humidity81%
Visibility6.2 mi
Dew point58°

Two-week outlook for Herndon, PA: week one averages a high of 63.9° and week two 54.6°, so week two runs 9.3° cooler than week one. Around 0.4 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, November 7: 55°, with precipitation.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (November 4 – November 10)63.9°47.1°0.3 in / 2 d—
2nd (November 11 – November 17)54.6°40.8°0.1 in / 1 d—

Weekend weather

Sat, November 7
Light rain
55°45°
0.04 in
Sun, November 8
Overcast
56°49°
no precip.
Sat, November 14
Overcast
53°35°
no precip.
Sun, November 15
Clear
62°43°
no precip.
Thu, 0574° / 57°0.24Rain
74 °Rain

Herndon, Thursday, 5 November

Rain. High 74°, low 57°.

Pressure29.83 inHg
Wind9.6 mph SW
Humidity84%
Visibility4.7 mi
Dew point63°
Fri, 0672° / 49°0Overcast
72 °Overcast

Herndon, Friday, 6 November

Overcast. High 72°, low 49°.

Pressure29.88 inHg
Wind3.9 mph SW
Humidity51%
Visibility6.2 mi
Dew point48°
Sat, 0755° / 45°0.04Light rain
55 °Light rain

Herndon, Saturday, 7 November

Light rain. High 55°, low 45°.

Pressure29.91 inHg
Wind10.1 mph NW
Humidity48%
Visibility6.2 mi
Dew point35°
Sun, 0856° / 49°0Overcast
56 °Overcast

Herndon, Sunday, 8 November

Overcast. High 56°, low 49°.

Pressure29.91 inHg
Wind11 mph W
Humidity47%
Visibility6.2 mi
Dew point34°
Mon, 0955° / 43°0Overcast
55 °Overcast

Herndon, Monday, 9 November

Overcast. High 55°, low 43°.

Pressure30.00 inHg
Wind16.5 mph NW
Humidity53%
Visibility—
Dew point34°
Tue, 1061° / 37°0Overcast
61 °Overcast

Herndon, Tuesday, 10 November

Overcast. High 61°, low 37°.

Pressure29.97 inHg
Wind9.1 mph W
Humidity59%
Visibility—
Dew point36°
Wed, 1157° / 39°0Mostly clear
57 °Mostly clear

Herndon, Wednesday, 11 November

Mostly clear. High 57°, low 39°.

Pressure29.91 inHg
Wind12.3 mph NW
Humidity64%
Visibility—
Dew point38°
Thu, 1245° / 35°0Partly cloudy
45 °Partly cloudy

Herndon, Thursday, 12 November

Partly cloudy. High 45°, low 35°.

Pressure29.83 inHg
Wind12.7 mph NW
Humidity52%
Visibility—
Dew point27°
Fri, 1343° / 35°0Overcast
43 °Overcast

Herndon, Friday, 13 November

Overcast. High 43°, low 35°.

Pressure29.80 inHg
Wind14.3 mph NW
Humidity59%
Visibility—
Dew point27°
Sat, 1453° / 35°0Overcast
53 °Overcast

Herndon, Saturday, 14 November

Overcast. High 53°, low 35°.

Pressure29.83 inHg
Wind12.6 mph W
Humidity60%
Visibility—
Dew point32°
Sun, 1562° / 43°0Clear
62 °Clear

Herndon, Sunday, 15 November

Clear. High 62°, low 43°.

Pressure29.88 inHg
Wind11.5 mph W
Humidity59%
Visibility—
Dew point40°
Mon, 1662° / 49°0Overcast
62 °Overcast

Herndon, Monday, 16 November

Overcast. High 62°, low 49°.

Pressure29.83 inHg
Wind12.5 mph NW
Humidity65%
Visibility—
Dew point46°
Tue, 1760° / 49°0.09Light rain
60 °Light rain

Herndon, Tuesday, 17 November

Light rain. High 60°, low 49°.

Pressure29.83 inHg
Wind10.3 mph W
Humidity86%
Visibility—
Dew point49°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Herndon, PA, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.