Today
Expect clear. Daytime high +70°, overnight low +54°. Wind gusts reach 10 mph. The day promises to be dry.
Weather in Clayton
United States · California · 37.9410, -121.9358
Today Now 12:39 PM
+68° Clear
Hourly forecast
Today10/26
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow mostly clear, high +66°, low +50°, 4° colder.
Week
During the week the thermometer stays between +43°…+70°. Warmest day — Mon, up to +70°. Coldest at night — Sun, +43°. No precipitation expected this week. Cloudless weather for 4 days.
Week vs norm
- Today 10/26 +70° −2° usually +72°
- Tomorrow 10/27 +66° −5° usually +71°
- Wed 10/28 +68° −3° usually +71°
- Thu 10/29 +66° −4° usually +70°
- Fri 10/30 +68° −2° usually +70°
- Sat 10/31 +63° −7° usually +70°
- Sun 11/1 +66° −3° usually +69°
- Mon 11/2 +63° −6° usually +69°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 26
Today is cooler than usual for this date.
- Heat record +87° 2019
- Cold record +44° 2013
- Most precipitation 0.9 in 2000
- Strongest gust 39 mph 2020
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Clayton
Today is about 7° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +56° / +41° | +47° | 3.6 |
| Feb | +59° / +42° | +49° | 3.6 |
| Mar | +63° / +44° | +52° | 2.9 |
| Apr | +68° / +46° | +55° | 1.3 |
| May | +74° / +51° | +61° | 0.7 |
| Jun | +80° / +55° | +66° | 0.1 |
| Jul | +83° / +58° | +68° | 0.0 |
| Aug | +84° / +58° | +68° | 0.1 |
| Sep | +83° / +56° | +67° | 0.1 |
| Oct | +76° / +52° | +62° | 0.9 |
| Nov | +64° / +46° | +53° | 1.8 |
| Dec | +56° / +42° | +47° | 3.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:27 AM | 6:15 PM
Moon
6:21 PM | 8:11 AM
Moon phase
Waning gibbous 100%
Next solar eclipse
Calculating for this city…