Today
Expect clear. Daytime high +68°, overnight low +55°. Wind up to 10 mph. The day promises to be dry.
Weather in Hercules
United States · California · 38.0171, -122.2886
Today Now 9:25 AM
+57° Mostly 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 high +64° and mostly clear, nighttime low +52°, 4° colder.
Week
During the week the thermometer stays between +48°…+68°. Warmest day — Mon, up to +68°. Nighttime weekly low: +48° (Sat). No precipitation expected this week. Clear days — 5.
Week vs norm
- Today 10/26 +68° −4° usually +72°
- Tomorrow 10/27 +64° −7° usually +72°
- Wed 10/28 +68° −4° usually +72°
- Thu 10/29 +66° −5° usually +71°
- Fri 10/30 +66° −5° usually +71°
- Sat 10/31 +63° −8° usually +70°
- Sun 11/1 +68° −2° usually +70°
- Mon 11/2 +55° −14° usually +70°
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 +90° 2003
- Cold record +42° 2013
- Most precipitation 1.2 in 1991
- Strongest gust 37 mph 1996
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Hercules
Today is about 8° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +58° / +42° | +48° | 4.0 |
| Feb | +61° / +43° | +50° | 4.2 |
| Mar | +64° / +45° | +53° | 3.3 |
| Apr | +68° / +47° | +56° | 1.4 |
| May | +73° / +51° | +60° | 0.7 |
| Jun | +79° / +54° | +64° | 0.2 |
| Jul | +80° / +55° | +65° | 0.0 |
| Aug | +81° / +56° | +66° | 0.0 |
| Sep | +82° / +55° | +66° | 0.1 |
| Oct | +76° / +52° | +62° | 1.0 |
| Nov | +65° / +46° | +54° | 2.0 |
| Dec | +58° / +42° | +48° | 4.0 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:29 AM | 6:16 PM
Moon
6:22 PM | 8:13 AM
Moon phase
Waning gibbous 100%
Next solar eclipse
Calculating for this city…