Today
Expect clear. Daytime high +79°, overnight low +55°. Wind gusts reach 10 mph. No rain expected.
Weather in Diablo
United States · California · 37.8349, -121.9580
Today Now 7:56 AM
+59° Clear
Hourly forecast
Today10/18
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow partly cloudy: daytime +66°, nighttime +52°, about 13° colder.
Week
During the week the thermometer stays between +50°…+79°. Warmest day — Sun, up to +79°. Nighttime weekly low: +50° (Tue). Rain on Wed. Cloudless weather for 4 days.
Week vs norm
- Today 10/18 +79° +5° usually +74°
- Tomorrow 10/19 +66° −7° usually +73°
- Tue 10/20 +66° −7° usually +73°
- Wed 10/21 +63° −10° usually +73°
- Thu 10/22 +66° −6° usually +72°
- Fri 10/23 +72° as usual usually +72°
- Sat 10/24 +75° +4° usually +71°
- Sun 10/25 +61° −10° usually +71°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 18
Today is a typical day for this date.
- Heat record +92° 2020
- Cold record +43° 1998
- Most precipitation 0.2 in 2004
- Strongest gust 35 mph 2004
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Diablo
Today is about 5° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +56° / +41° | +47° | 3.5 |
| Feb | +59° / +42° | +49° | 3.7 |
| Mar | +62° / +44° | +51° | 2.9 |
| Apr | +67° / +46° | +55° | 1.3 |
| May | +72° / +50° | +60° | 0.7 |
| Jun | +78° / +54° | +64° | 0.1 |
| Jul | +81° / +57° | +67° | 0.0 |
| Aug | +81° / +57° | +67° | 0.1 |
| Sep | +81° / +56° | +66° | 0.1 |
| Oct | +74° / +52° | +61° | 0.9 |
| Nov | +64° / +45° | +53° | 1.7 |
| Dec | +56° / +41° | +47° | 3.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:19 AM | 6:25 PM
Moon
2:38 PM | —
Moon phase
First quarter 51%
Next solar eclipse
Calculating for this city…