10-day forecast for Herndon, CA: 47° to 79°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Tuesday, November 10
65°
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0369° / 54°0
Morning61°feels 60°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight54°feels 53°
69 °
Herndon, Tuesday, 3 November
Clear. High 69°, low 54°.
Pressure30.06 inHg
Wind2.5 mph NE
Humidity50%
Visibility6.2 mi
Dew point47°
Wed, 0465° / 49°0
Morning52°feels 51°
Afternoon65°feels 64°
Evening55°feels 54°
Overnight51°feels 50°
65 °
Herndon, Wednesday, 4 November
Partly cloudy. High 65°, low 49°.
Pressure30.03 inHg
Wind4 mph NW
Humidity63%
Visibility6.2 mi
Dew point50°
Thu, 0568° / 47°0
Morning52°feels 51°
Afternoon68°feels 66°
Evening55°feels 54°
Overnight49°feels 48°
68 °
Herndon, Thursday, 5 November
Clear. High 68°, low 47°.
Pressure30.06 inHg
Wind5.3 mph NW
Humidity53%
Visibility6.2 mi
Dew point49°
Fri, 0668° / 47°0
Morning52°feels 51°
Afternoon68°feels 67°
Evening65°feels 64°
Overnight48°feels 48°
68 °
Herndon, Friday, 6 November
Overcast. High 68°, low 47°.
Pressure30.12 inHg
Wind0.7 mph N
Humidity57%
Visibility6.2 mi
Dew point50°
Sat, 0773° / 49°0
Morning54°feels 53°
Afternoon66°feels 65°
Evening69°feels 69°
Overnight55°feels 54°
73 °
Herndon, Saturday, 7 November
Clear. High 73°, low 49°.
Pressure30.12 inHg
Wind2.9 mph E
Humidity58%
Visibility—
Dew point48°
Sun, 0876° / 52°0
Morning56°feels 55°
Afternoon68°feels 67°
Evening73°feels 71°
Overnight61°feels 59°
76 °
Herndon, Sunday, 8 November
Mostly clear. High 76°, low 52°.
Pressure30.09 inHg
Wind4 mph NW
Humidity42%
Visibility—
Dew point41°
Mon, 0978° / 58°0
Morning62°feels 60°
Afternoon72°feels 70°
Evening75°feels 73°
Overnight64°feels 61°
78 °
Herndon, Monday, 9 November
Clear. High 78°, low 58°.
Pressure30.03 inHg
Wind3 mph NE
Humidity29%
Visibility—
Dew point35°
Tue, 1079° / 60°0
Morning65°feels 62°
Afternoon73°feels 71°
Evening74°feels 72°
Overnight62°feels 60°
79 °
Herndon, Tuesday, 10 November
Overcast. High 79°, low 60°.
Pressure30.00 inHg
Wind6.4 mph SE
Humidity25%
Visibility—
Dew point33°
Wed, 1177° / 57°0
Morning60°feels 58°
Afternoon70°feels 68°
Evening73°feels 72°
Overnight63°feels 61°
77 °
Herndon, Wednesday, 11 November
Partly cloudy. High 77°, low 57°.
Pressure30.09 inHg
Wind11.5 mph SE
Humidity31%
Visibility—
Dew point36°
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, CA 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.