Weather in Thornton

United States · California · 38.2260, -121.4247

Today Now 1:33 AM

+54° Mostly cloudy

Hourly forecast

Today10/20 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Thornton

Forecast in words

Today

During the day mostly cloudy, up to +73°, at night around +52°. Wind up to 5 mph. No rain expected.

Tomorrow

Tomorrow mostly cloudy, high +72°, low +55°, no noticeable change.

Week

Seven days ahead fall within +50°…+79°. Warmest day — Sun, up to +79°. Coldest at night — Sat, +50°. No precipitation expected this week. Clear days — 3.

Week vs norm

  1. Today 10/20 +73° −4° usually +78°
  2. Tomorrow 10/21 +72° −5° usually +77°
  3. Thu 10/22 +64° −12° usually +77°
  4. Fri 10/23 +72° −5° usually +76°
  5. Sat 10/24 +75° as usual usually +76°
  6. Sun 10/25 +79° +4° usually +75°
  7. Mon 10/26 +79° +4° usually +75°
  8. Tue 10/27 +63° −12° usually +74°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 20

Today is cooler than usual for this date.

  • Heat record +93° 2023
  • Cold record +44° 2013
  • Most precipitation 0.6 in 2004
  • Strongest gust 27 mph 1996

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Thornton

Today is about 7° colder than usual for October.

Climate normals by month, Thornton
Month Daytime / Nighttime Average Precipitation in
Jan +58° / +41° +48° 4.2
Feb +62° / +43° +51° 4.1
Mar +67° / +46° +55° 3.3
Apr +73° / +49° +59° 1.5
May +81° / +54° +66° 0.8
Jun +88° / +59° +72° 0.2
Jul +91° / +60° +74° 0.0
Aug +91° / +60° +73° 0.1
Sep +88° / +59° +72° 0.1
Oct +80° / +54° +65° 1.2
Nov +66° / +46° +54° 2.2
Dec +57° / +41° +48° 4.3

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:19 AM | 6:20 PM
Moon 3:35 PM | 1:26 AM
Moon phase Waxing gibbous 70%
Next solar eclipse
Calculating for this city…

Weather in the region