Chapman, CA Weather Forecast

Local 7-day forecast

87°
F

Patchy Fog then Sunny

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

Tuesday, September 15, 2026
Wind: 1 to 7 mph S
Tuesday

Patchy fog between 7am and 9am. Sunny. High near 87, with temperatures falling to around 82 in the afternoon. South wind 1 to 7 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Chapman, 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: Sep 14, 2026 5:54 PM PDT.

The active forecast window currently covers Sep 15 to Sep 20, 2026 for Chapman, CA.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 20, 2026
Latest sync
Sep 14, 2026 5:54 PM PDT
Forecast office
MTR
Source
NOAA / NWS
Next High
87°F
Tuesday
Next Low
50°F
Tuesday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
1 to 9 mph
Wednesday

Daily Outlook

Today
Sep 15
Patchy Fog then Sunny
87 °F
/ 50°F
Wind 1 to 7 mph
Wed
Sep 16
Patchy Fog then Mostly Sunny
80 °F
/ 51°F
Wind 1 to 9 mph
Thu
Sep 17
Patchy Fog then Mostly Sunny
81 °F
/ 51°F
Wind 1 to 7 mph
Fri
Sep 18
Areas Of Fog then Sunny
86 °F
/ 53°F
Wind 0 to 7 mph
Sat
Sep 19
Sunny
88 °F
/ 52°F
Wind 0 to 7 mph
Sun
Sep 20
Patchy Fog then Mostly Sunny
86 °F
/ 52°F
Wind 0 to 7 mph

This Week in Chapman

Saturday looks like the warmest upcoming period in Chapman at 88 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 50 degrees F.

The strongest winds are forecast for Wednesday at about 1 to 9 mph SW.

The forecast from Sep 15 through Sep 20 stays mostly dry.

Forecast Details

Last updated
Sep 14, 2026 5:54 PM PDT
Coverage
7 days
Time zone
America/Los_Angeles
Forecast office
MTR
Radar station
KDAX

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

Open NOAA source

Extended Forecast

Tuesday Night
Sep 15
50°F
Partly Cloudy then Patchy Fog
1 to 6 mph SSW

Patchy fog after 1am. Partly cloudy, with a low around 50. South southwest wind 1 to 6 mph.

Wednesday
Sep 16
80°F
Patchy Fog then Mostly Sunny
1 to 9 mph SW

Patchy fog before 9am. Mostly sunny, with a high near 80. Southwest wind 1 to 9 mph, with gusts as high as 18 mph.

Wednesday Night
Sep 16
51°F
Partly Cloudy then Patchy Fog
1 to 9 mph WSW

Patchy fog after 5am. Partly cloudy, with a low around 51.

Thursday
Sep 17
81°F
Patchy Fog then Mostly Sunny
1 to 7 mph SW

Patchy fog before 10am. Mostly sunny, with a high near 81.

Thursday Night
Sep 17
51°F
Mostly Clear then Patchy Fog
0 to 7 mph W

Patchy fog after 1am. Mostly clear, with a low around 51.

Friday
Sep 18
86°F
Areas Of Fog then Sunny
0 to 7 mph W

Areas of fog before 9am. Sunny, with a high near 86.

Friday Night
Sep 18
53°F
Mostly Clear
0 to 7 mph WSW

Mostly clear, with a low around 53.

Saturday
Sep 19
88°F
Sunny
0 to 7 mph SSW

Sunny, with a high near 88.

Saturday Night
Sep 19
52°F
Mostly Clear
0 to 7 mph SW

Mostly clear, with a low around 52.

Sunday
Sep 20
86°F
Patchy Fog then Mostly Sunny
0 to 7 mph SW

Patchy fog between 7am and 8am. Mostly sunny, with a high near 86.

Sunday Night
Sep 20
52°F
Partly Cloudy
1 to 7 mph WSW

Partly cloudy, with a low around 52.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Patchy Fog then Sunny
87°F
1 to 7 mph
S
Tuesday Night
Sep 15
Partly Cloudy then Patchy Fog
50°F
1 to 6 mph
SSW
Wednesday
Sep 16
Patchy Fog then Mostly Sunny
80°F
1 to 9 mph
SW
Wednesday Night
Sep 16
Partly Cloudy then Patchy Fog
51°F
1 to 9 mph
WSW
Thursday
Sep 17
Patchy Fog then Mostly Sunny
81°F
1 to 7 mph
SW
Thursday Night
Sep 17
Mostly Clear then Patchy Fog
51°F
0 to 7 mph
W
Friday
Sep 18
Areas Of Fog then Sunny
86°F
0 to 7 mph
W
Friday Night
Sep 18
Mostly Clear
53°F
0 to 7 mph
WSW
Saturday
Sep 19
Sunny
88°F
0 to 7 mph
SSW
Saturday Night
Sep 19
Mostly Clear
52°F
0 to 7 mph
SW
Sunday
Sep 20
Patchy Fog then Mostly Sunny
86°F
0 to 7 mph
SW
Sunday Night
Sep 20
Partly Cloudy
52°F
1 to 7 mph
WSW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.