San Bernardino, CA Weather Forecast

The forecast is bbbrraaaiiinnsss....

🌪 TROPICAL ACTIVITY: TROPICAL STORM FAY Sustained winds 35 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: HURRICANE ODALYS Sustained winds 75 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: HURRICANE POLO Sustained winds 140 kt. Track it on the zombie radar or see NHC advisories.
Clear night
75°

nniiighhht... hunnnttt tiiime

  • Humidity: 65%
  • Visibility: 6.2 Mi
  • Wind: WNW at 5 MPH
  • Dew Point: 0° F
  • Cloud Cover: 0%
  • UV Index: 0 - Low
  • Air Quality: Fair
  • Moon: Waxing Gibbous (94% full) · up 5:13pm, down 4:33am

☀ Solar Outbreak Watch: Quiet · largest flare C1.1 · Kp 3 The sun naps. The horde does not. full report →

🏔 Ground Watch: M3.2 earthquake 88 mi away — 17 km WSW of Johannesburg, CA, 14h ago A small one. The ground is restless, but so far only the ground. USGS →

WedThuFriSatSunMon

Zombie Survival Index™

55/100 — ELEVATED Locckk yourr doooorssss

  • Mild temps: standard shamble speed
  • Clear sightlines: you will see them coming
  • Darkness: their favorite

Today's undead advice: Count your group at dusk. Count again at dawn.

Rule #5 Silence is golden After dark, sound carries — and so does the smell of the living. all the Rules of Survival →

🌡 The weather here, in general

San Bernardino has four clear seasons. August highs average 96°F and January lows average 43°F.

Expect around 98 days a year at 90°F or above, concentrated in August. Heat illness climbs sharply on consecutive hot days, so the third day of a streak is more dangerous than the first.

Rainfall averages about 15 inches a year, wettest in January and driest in June.

MonthAvg highAvg lowRainSnow
Jan64°43° 3.6"
Feb66°44° 2.6"0.2"
Mar69°47° 2.7"
Apr76°51° 0.9"
May78°54° 0.5"
Jun89°61° 0.1"
Jul95°66° 0.2"
Aug96°68° 0.3"
Sep91°64° 0.4"
Oct84°57° 0.6"
Nov74°48° 1"
Dec65°44° 2.2"

Averages from ten years of observed daily records (2015–2024) for this location. They describe what is typical, not what will happen — for that, see the forecast above.

📷 Golden Hour

  • Golden hour: 6:12pm - 6:45pm (dawn: 6:35am - 7:08am)
  • Blue hour: 6:45pm - 7:10pm (dawn: 6:10am - 6:35am)
  • Sun sets: 270° W (rises 90° E)
  • Dark sky: 8:09pm – 5:12am · next new moon Oct 11 (17d)

Clear Sunset odds 40/100 Clean gradient, no drama. Good night for silhouettes.

Waxing Gibbous
94% · full Sep 26

Sun & moon: sunrisesunset.io · cloud layers: Open-Meteo · astro & Milky Way planner →

Weather Details

Thu

Clear night

High: 93° F
|
Low: 71° F
nniiighhht... hunnnttt tiiime
High confidence ±2.2°
Weather Details

Fri

Clear night

High: 89° F
|
Low: 71° F
nniiighhht... hunnnttt tiiime
High confidence ±2.1°
Weather Details

Sat

Partly cloudy night

High: 90° F
|
Low: 67° F
ddaarrkk cclouudds
Moderate confidence ±3.9°
Weather Details

Sun

Mostly cloudy night

High: 85° F
|
Low: 65° F
ddaarrkk cclouudds
Moderate confidence ±5.2°
Weather Details

Mon

Clear night

High: 76° F
|
Low: 58° F
nniiighhht... hunnnttt tiiime
Low confidence ±6.1°
Weather Details


High: ° F
|
Low: ° F

Will it rain on your plans?

Weather Details

Wed Sep 23 11pm 74° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 66%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 0 MPH / NNW
Weather Details

Thu Sep 24 2am 73° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 60%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 2 MPH / N
Weather Details

Thu Sep 24 5am 71° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 52%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 3 MPH / NNE
Weather Details

Thu Sep 24 8am 75° F

Sunny
Ssssuuunnnny sqquuiinnnttt

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 34%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 3 MPH / N
Weather Details

Thu Sep 24 11am 89° F

Sunny
Ssssuuunnnny sqquuiinnnttt

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 18%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / SSW
Weather Details

Thu Sep 24 2pm 93° F

Sunny
Ssssuuunnnny sqquuiinnnttt

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 15%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 7 MPH / SW
Weather Details

Thu Sep 24 5pm 89° F

Mostly sunny
sssuunn... buurrnnss *ggnnnarrr*

  • Cloud Cover: 18%
  • Dew Point: 0° F
  • Humidity: 19%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 6 MPH / SW
Weather Details

Thu Sep 24 8pm 77° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 1%
  • Dew Point: 0° F
  • Humidity: 47%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 2 MPH / SSW

7-Day Meteogram

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