10-day forecast for Walnut, CA: 55° to 81°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Monday, October 26
70° · 0.37 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2778° / 55°0
Morning61°feels 59°
Afternoon78°feels 77°
Evening64°feels 64°
Overnight57°feels 56°
78 °
Walnut, Tuesday, 27 October
Clear. High 78°, low 55°.
Pressure30.00 inHg
Wind0.5 mph E
Humidity41%
Visibility6.2 mi
Dew point49°
Wed, 2877° / 56°0
Morning57°feels 56°
Afternoon76°feels 76°
Evening67°feels 66°
Overnight57°feels 56°
77 °
Walnut, Wednesday, 28 October
Overcast. High 77°, low 56°.
Pressure29.97 inHg
Wind0.6 mph NW
Humidity42%
Visibility6.2 mi
Dew point49°
Thu, 2975° / 58°0
Morning59°feels 58°
Afternoon75°feels 74°
Evening67°feels 66°
Overnight61°feels 60°
75 °
Walnut, Thursday, 29 October
Overcast. High 75°, low 58°.
Pressure29.91 inHg
Wind1.5 mph W
Humidity46%
Visibility6.2 mi
Dew point52°
Fri, 3070° / 59°0.37
Morning61°feels 61°
Afternoon70°feels 69°
Evening65°feels 64°
Overnight63°feels 63°
70 °
Walnut, Friday, 30 October
Rain. High 70°, low 59°.
Pressure29.91 inHg
Wind1.9 mph S
Humidity62%
Visibility6.2 mi
Dew point54°
Sat, 3167° / 58°0.13
Morning60°feels 60°
Afternoon64°feels 63°
Evening63°feels 63°
Overnight60°feels 60°
67 °
Walnut, Saturday, 31 October
Light rain. High 67°, low 58°.
Pressure29.97 inHg
Wind3.6 mph E
Humidity69%
Visibility—
Dew point53°
Sun, 0164° / 59°0.07
Morning60°feels 59°
Afternoon61°feels 61°
Evening64°feels 63°
Overnight61°feels 60°
64 °
Walnut, Sunday, 1 November
Light rain. High 64°, low 59°.
Pressure30.00 inHg
Wind6.4 mph SW
Humidity73%
Visibility—
Dew point52°
Mon, 0280° / 61°0
Morning64°feels 62°
Afternoon74°feels 72°
Evening78°feels 77°
Overnight68°feels 65°
80 °
Walnut, Monday, 2 November
Clear. High 80°, low 61°.
Pressure30.06 inHg
Wind4.7 mph SW
Humidity26%
Visibility—
Dew point34°
Tue, 0378° / 65°0
Morning68°feels 65°
Afternoon74°feels 72°
Evening75°feels 73°
Overnight67°feels 65°
78 °
Walnut, Tuesday, 3 November
Clear. High 78°, low 65°.
Pressure30.03 inHg
Wind7.1 mph SW
Humidity19%
Visibility—
Dew point28°
Wed, 0474° / 64°0
Morning66°feels 64°
Afternoon71°feels 70°
Evening72°feels 71°
Overnight65°feels 64°
74 °
Walnut, Wednesday, 4 November
Clear. High 74°, low 64°.
Pressure30.03 inHg
Wind9.8 mph SW
Humidity38%
Visibility—
Dew point43°
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 Walnut, 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.