Grossmont, CA Weather Forecast

Local 7-day forecast

71°

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Grossmont, CA in one place.

Wednesday, April 15, 2026

Wind: 0 to 10 mph N

Wednesday

Mostly sunny, with a high near 71.

Local 7-day forecast

Local Weather Overview

This forecast page for Grossmont, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 13, 2026 12:24 AM PDT.

The active forecast window currently covers Apr 15 to Apr 19, 2026 for Grossmont, CA.

Page Snapshot

Page focus: city weather
Forecast window: Apr 15 to Apr 19, 2026
Latest sync: Apr 13, 2026 12:24 AM PDT
Forecast office: SGX
Source: NOAA / NWS

Next High

71°F

Wednesday

Next Low

52°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

0 to 10 mph

Wednesday

Daily Outlook

Today

Apr 15

Mostly Sunny

71 °F

/ 52°F

Wind 0 to 10 mph

Thu

Apr 16

Partly Sunny

70 °F

/ 52°F

Wind 0 to 10 mph

Fri

Apr 17

Sunny

73 °F

/ 51°F

Wind 5 to 10 mph

Sat

Apr 18

Sunny

80 °F

/ 53°F

Wind 0 to 10 mph

Sun

Apr 19

Sunny

81 °F

Wind 0 to 10 mph

This Week in Grossmont

Sunday looks like the warmest upcoming period in Grossmont at 81 degrees F.

Friday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Wednesday at about 0 to 10 mph N.

The forecast from Apr 15 through Apr 19 stays mostly dry.

Forecast Details

Last updated: Apr 13, 2026 12:24 AM PDT
Coverage: 5 days
Time zone: America/Los_Angeles
Forecast office: SGX
Radar station: KNKX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night

Apr 15

52°F

Mostly Cloudy

0 to 10 mph SW

Mostly cloudy, with a low around 52.

Thursday

Apr 16

70°F

Partly Sunny

0 to 10 mph S

Partly sunny, with a high near 70.

Thursday Night

Apr 16

52°F

Partly Cloudy

5 to 10 mph SW

Partly cloudy, with a low around 52.

Friday

Apr 17

73°F

Sunny

5 to 10 mph SW

Sunny, with a high near 73.

Friday Night

Apr 17

51°F

Mostly Clear

0 to 10 mph N

Mostly clear, with a low around 51.

Saturday

Apr 18

80°F

Sunny

0 to 10 mph NW

Sunny, with a high near 80.

Saturday Night

Apr 18

53°F

Partly Cloudy

0 to 10 mph NW

Partly cloudy, with a low around 53.

Sunday

Apr 19

81°F

Sunny

0 to 10 mph NW

Sunny, with a high near 81.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Apr 15	Mostly Sunny	71°F	0 to 10 mph N	Mostly sunny, with a high near 71.
Wednesday Night Apr 15	Mostly Cloudy	52°F	0 to 10 mph SW	Mostly cloudy, with a low around 52.
Thursday Apr 16	Partly Sunny	70°F	0 to 10 mph S	Partly sunny, with a high near 70.
Thursday Night Apr 16	Partly Cloudy	52°F	5 to 10 mph SW	Partly cloudy, with a low around 52.
Friday Apr 17	Sunny	73°F	5 to 10 mph SW	Sunny, with a high near 73.
Friday Night Apr 17	Mostly Clear	51°F	0 to 10 mph N	Mostly clear, with a low around 51.
Saturday Apr 18	Sunny	80°F	0 to 10 mph NW	Sunny, with a high near 80.
Saturday Night Apr 18	Partly Cloudy	53°F	0 to 10 mph NW	Partly cloudy, with a low around 53.
Sunday Apr 19	Sunny	81°F	0 to 10 mph NW	Sunny, with a high near 81.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Grossmont.

Region Links

San Diego County weather

County forecast page

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National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.