10-day forecast for Herndon, CA: 44° 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
69° · 0.43 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0166° / 50°0.15
Morning55°feels 55°
Afternoon64°feels 62°
Evening56°feels 55°
Overnight58°feels 59°
66 °
Herndon, Sunday, 1 November
Rain. High 66°, low 50°.
Pressure29.94 inHg
Wind7.7 mph NW
Humidity64%
Visibility6.2 mi
Dew point49°
Mon, 0267° / 44°0
Morning45°feels 44°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight48°feels 48°
67 °
Herndon, Monday, 2 November
Clear. High 67°, low 44°.
Pressure30.18 inHg
Wind1 mph S
Humidity56%
Visibility6.2 mi
Dew point47°
Tue, 0370° / 48°0
Morning48°feels 46°
Afternoon70°feels 69°
Evening58°feels 57°
Overnight49°feels 49°
70 °
Herndon, Tuesday, 3 November
Mostly clear. High 70°, low 48°.
Pressure30.06 inHg
Wind1.9 mph E
Humidity53%
Visibility6.2 mi
Dew point48°
Wed, 0469° / 49°0.01
Morning55°feels 54°
Afternoon62°feels 62°
Evening65°feels 64°
Overnight53°feels 52°
69 °
Herndon, Wednesday, 4 November
Light rain. High 69°, low 49°.
Pressure30.06 inHg
Wind8.8 mph NW
Humidity69%
Visibility—
Dew point50°
Thu, 0567° / 49°0
Morning53°feels 52°
Afternoon60°feels 59°
Evening65°feels 64°
Overnight57°feels 56°
67 °
Herndon, Thursday, 5 November
Overcast. High 67°, low 49°.
Pressure30.09 inHg
Wind8.5 mph NW
Humidity72%
Visibility—
Dew point49°
Fri, 0673° / 55°0
Morning59°feels 57°
Afternoon67°feels 65°
Evening70°feels 69°
Overnight59°feels 57°
73 °
Herndon, Friday, 6 November
Overcast. High 73°, low 55°.
Pressure30.06 inHg
Wind8.6 mph NW
Humidity47%
Visibility—
Dew point44°
Sat, 0774° / 54°0
Morning58°feels 56°
Afternoon68°feels 66°
Evening72°feels 71°
Overnight61°feels 59°
74 °
Herndon, Saturday, 7 November
Mostly clear. High 74°, low 54°.
Pressure30.12 inHg
Wind5.2 mph NW
Humidity41%
Visibility—
Dew point40°
Sun, 0879° / 58°0
Morning62°feels 60°
Afternoon72°feels 70°
Evening75°feels 74°
Overnight63°feels 61°
79 °
Herndon, Sunday, 8 November
Overcast. High 79°, low 58°.
Pressure30.15 inHg
Wind5.1 mph N
Humidity34%
Visibility—
Dew point40°
Mon, 0979° / 58°0
Morning62°feels 60°
Afternoon72°feels 71°
Evening76°feels 74°
Overnight65°feels 62°
79 °
Herndon, Monday, 9 November
Overcast. High 79°, low 58°.
Pressure30.06 inHg
Wind4.6 mph E
Humidity29%
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.