10-day forecast for Herndon, CA: 46° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Monday, November 9
66° · 0.08 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0268° / 50°0
Morning55°feels 54°
Afternoon68°feels 66°
Evening55°feels 53°
Overnight52°feels 51°
68 °
Herndon, Monday, 2 November
Overcast. High 68°, low 50°.
Pressure30.15 inHg
Wind0.6 mph E
Humidity54%
Visibility6.2 mi
Dew point47°
Tue, 0366° / 46°0.08
Morning51°feels 50°
Afternoon66°feels 65°
Evening54°feels 53°
Overnight50°feels 48°
66 °
Herndon, Tuesday, 3 November
Rain. High 66°, low 46°.
Pressure30.03 inHg
Wind5.3 mph E
Humidity54%
Visibility6.2 mi
Dew point48°
Wed, 0461° / 49°0
Morning49°feels 47°
Afternoon61°feels 60°
Evening51°feels 50°
Overnight51°feels 50°
61 °
Herndon, Wednesday, 4 November
Overcast. High 61°, low 49°.
Pressure30.06 inHg
Wind3.1 mph NW
Humidity69%
Visibility6.2 mi
Dew point49°
Thu, 0566° / 46°0
Morning50°feels 49°
Afternoon60°feels 59°
Evening63°feels 62°
Overnight47°feels 47°
66 °
Herndon, Thursday, 5 November
Mostly clear. High 66°, low 46°.
Pressure30.12 inHg
Wind5.6 mph NW
Humidity68%
Visibility—
Dew point47°
Fri, 0669° / 47°0
Morning51°feels 51°
Afternoon63°feels 62°
Evening67°feels 66°
Overnight58°feels 56°
69 °
Herndon, Friday, 6 November
Mostly clear. High 69°, low 47°.
Pressure30.15 inHg
Wind3.6 mph N
Humidity68%
Visibility—
Dew point49°
Sat, 0777° / 58°0
Morning61°feels 60°
Afternoon71°feels 69°
Evening75°feels 73°
Overnight63°feels 61°
77 °
Herndon, Saturday, 7 November
Clear. High 77°, low 58°.
Pressure30.03 inHg
Wind3.2 mph N
Humidity37%
Visibility—
Dew point41°
Sun, 0876° / 58°0
Morning63°feels 61°
Afternoon71°feels 69°
Evening73°feels 72°
Overnight65°feels 63°
76 °
Herndon, Sunday, 8 November
Clear. High 76°, low 58°.
Pressure30.00 inHg
Wind3.7 mph E
Humidity32%
Visibility—
Dew point38°
Mon, 0979° / 62°0
Morning66°feels 64°
Afternoon74°feels 73°
Evening74°feels 73°
Overnight64°feels 62°
79 °
Herndon, Monday, 9 November
Overcast. High 79°, low 62°.
Pressure29.94 inHg
Wind6.9 mph NW
Humidity29%
Visibility—
Dew point38°
Tue, 1075° / 59°0
Morning62°feels 60°
Afternoon69°feels 67°
Evening72°feels 71°
Overnight61°feels 59°
75 °
Herndon, Tuesday, 10 November
Overcast. High 75°, low 59°.
Pressure30.18 inHg
Wind8.3 mph NW
Humidity34%
Visibility—
Dew point37°
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.