Two-week planning outlook

14-Day Weather Forecast for San Bernardino, California

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 77°F and 105°F during the next 14 days. Rain chances peak at 100% on Sunday, Sep 6, while Sat, Sep 12 · Sun, Sep 13 · Mon, Sep 14 currently look most favorable for outdoor plans.

Updated Sep 6, 8:14 AM -07:00

14 Days at a Glance

Complete two-week outlook

Warmest DayThu, Sep 10 · 105°FClear Sky

Coolest NightSun, Sep 6 · 70°FModerate Rain

Highest Rain ChanceSun, Sep 6 · 100%Moderate Rain

Strongest WindSat, Sep 12 · 9.2 mphNo gust data

Weekend OutlookRain possible · Moderate Rain77°F / 70°F

Total Precipitation1.00 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Sunday, Sep 6 · 77°F / 70°F

Moderate Rain

Rain chance 100%, 4.6 mph ESE, humidity 86%.

Morning: 76°F
Afternoon: 72°F
Evening: 77°F
Overnight: 76°F
Humidity: 86%
Pressure: 30.00 inHg
Dew point: —
UV index: 0 low
Sunrise: 6:26 AM
Sunset: 7:09 PM

Temperature Trend

HighLow70°F – 105°F

9/69/79/89/99/109/119/129/139/149/159/169/179/189/19

Rain Chances

100%9/6

7%9/7

0%9/8

0%9/9

0%9/10

0%9/11

0%9/12

0%9/13

0%9/14

7%9/15

65%9/16

58%9/17

44%9/18

37%9/19

UV Index

Daily peak

09/6

09/7

09/8

09/9

09/10

09/11

09/12

09/13

09/14

09/15

09/16

09/17

09/18

09/19

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Sat, Sep 12 · Sun, Sep 13 · Mon, Sep 14

Lower rain chances and manageable winds

Rainy Days

Sun, Sep 6 · Wed, Sep 16 · Thu, Sep 17

Peak chance 100%

Warmest Days

Thu, Sep 10 · Wed, Sep 9 · Tue, Sep 8

Highs up to 105°F

Coolest Nights

Sun, Sep 6 · Sun, Sep 13 · Sat, Sep 12

Lows near 70°F

Windiest Day

Saturday, Sep 12

9.2 mph · Gusts —

Weekend Weather

Two-week planning

This Weekend

Sun, Sep 677°F / 70°FModerate Rain · Rain 100%

Next Weekend

Sat, Sep 1290°F / 73°FClear Sky · Rain 0%

Sun, Sep 1394°F / 70°FClear Sky · Rain 0%

14-Day Weather Forecast for San Bernardino, California

Temperatures range from an overnight low near 70°F to a daytime high near 105°F. The strongest rain signal is 100% on Sunday, Sep 6, with 3 notable wet days in the current outlook.

FAQ

14-day forecast questions for San Bernardino

What is the 14-day weather forecast for San Bernardino?

Will it rain in San Bernardino during the next two weeks?

The strongest rain signal is 100% on Sunday, Sep 6, with 3 notable wet days in the current outlook.

What is the hottest day in San Bernardino during the next 14 days?

The warmest forecast day is Thursday, Sep 10, with a high near 105°F.

What is the coldest night in San Bernardino?

The lowest forecast temperature is 70°F on Sunday, Sep 6.

What will the weather be this weekend in San Bernardino?

This Weekend currently ranges from 70°F to 77°F, with rain chances peaking at 100%.