Today
During the day mostly clear, up to +70°, at night around +54°. Light wind, up to 8 mph. The day promises to be dry.
Weather in Union City
United States · California · 37.5958, -122.0191
Today Now 4:07 PM
+70° 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, high +66°, low +52°, about 4° colder.
Week
Seven days ahead fall within +48°…+77°. Peak warmth: Sun, +77°. Nighttime weekly low: +48° (Tue). Precipitation expected: Wed, Thu. Sunshine expected on 4 of seven days.
Week vs norm
- Today 10/18 +70° −4° usually +74°
- Tomorrow 10/19 +66° −7° usually +74°
- Tue 10/20 +66° −7° usually +73°
- Wed 10/21 +64° −9° usually +73°
- Thu 10/22 +64° −8° usually +73°
- Fri 10/23 +68° −4° usually +72°
- Sat 10/24 +75° +3° usually +72°
- Sun 10/25 +77° +5° usually +72°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 18
Today is cooler than usual for this date.
- Heat record +93° 2020
- Cold record +47° 2006
- Most precipitation 0.3 in 2004
- Strongest gust 28 mph 2019
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Union City
Today is about 4° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +57° / +43° | +49° | 3.6 |
| Feb | +60° / +44° | +51° | 3.7 |
| Mar | +63° / +46° | +53° | 3.0 |
| Apr | +66° / +48° | +56° | 1.5 |
| May | +71° / +52° | +60° | 0.7 |
| Jun | +77° / +56° | +65° | 0.2 |
| Jul | +81° / +59° | +68° | 0.0 |
| Aug | +82° / +59° | +68° | 0.1 |
| Sep | +81° / +59° | +68° | 0.1 |
| Oct | +75° / +55° | +63° | 0.9 |
| Nov | +64° / +48° | +55° | 1.8 |
| Dec | +57° / +44° | +49° | 3.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:19 AM | 6:26 PM
Moon
2:37 PM | —
Moon phase
First quarter 51%
Next solar eclipse
Calculating for this city…