Saint Joseph County, MI Weather Forecast

County weather hub

78°
F

Areas Of Fog then Partly Sunny

Compare major city weather across Saint Joseph County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Friday, April 17, 2026
Wind: 0 to 10 mph SE
Friday

Areas of fog before 9am. Partly sunny, with a high near 78. Southeast wind 0 to 10 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Saint Joseph County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 2 of 2 mapped cities in Saint Joseph County.

Page Snapshot

Page focus
county weather
Forecast window
Apr 17 to Apr 22, 2026
Latest sync
Apr 16, 2026 7:44 PM EDT
Forecast office
IWX
Source
NOAA / NWS
Next High
78°F
Friday
Next Low
58°F
Friday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 20 mph
Saturday

Daily Outlook

Today
Apr 17
Areas Of Fog then Partly Sunny
78 °F
/ 58°F
Wind 0 to 10 mph
Sat
Apr 18
Showers And Thunderstorms
62 °F
/ 35°F
Wind 15 to 20 mph
Sun
Apr 19
Sunny
47 °F
/ 30°F
Wind 10 to 20 mph
Mon
Apr 20
Sunny
53 °F
/ 42°F
Wind 5 to 10 mph
Tue
Apr 21
Mostly Sunny
70 °F
/ 49°F
Wind 15 mph
Wed
Apr 22
Mostly Sunny
69 °F
/ 47°F
Wind 5 to 10 mph

This Week in Saint Joseph County

Friday looks like the warmest upcoming period in Saint Joseph County at 78 degrees F.

Sunday Night is the coolest period ahead with temperatures near 30 degrees F.

The strongest winds are forecast for Saturday at about 15 to 20 mph W.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Apr 16, 2026 7:44 PM EDT
Coverage
6 days
Time zone
America/Detroit
Forecast office
IWX
Radar station
KIWX

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

Open NOAA source

Extended Forecast

Friday Night
Apr 17
58°F
Showers And Thunderstorms
10 to 15 mph S

Showers and thunderstorms after 11pm. Mostly cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday
Apr 18
62°F
Showers And Thunderstorms
15 to 20 mph W

Showers and thunderstorms. Mostly cloudy, with a high near 62. West wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Night
Apr 18
35°F
Slight Chance Rain Showers then Partly Cloudy
10 to 15 mph W

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 20%.

Sunday
Apr 19
47°F
Sunny
10 to 20 mph W

Sunny, with a high near 47.

Sunday Night
Apr 19
30°F
Mostly Clear
5 to 15 mph NW

Mostly clear, with a low around 30.

Monday
Apr 20
53°F
Sunny
5 to 10 mph NW

Sunny, with a high near 53.

Monday Night
Apr 20
42°F
Partly Cloudy
5 to 10 mph S

Partly cloudy, with a low around 42.

Tuesday
Apr 21
70°F
Mostly Sunny
15 mph SW

Mostly sunny, with a high near 70.

Tuesday Night
Apr 21
49°F
Partly Cloudy
10 to 15 mph W

Partly cloudy, with a low around 49.

Wednesday
Apr 22
69°F
Mostly Sunny
5 to 10 mph NW

Mostly sunny, with a high near 69.

Wednesday Night
Apr 22
47°F
Mostly Clear
5 to 10 mph NE

Mostly clear, with a low around 47.

Detailed Forecast

Period Conditions Temp Wind
Friday
Apr 17
Areas Of Fog then Partly Sunny
78°F
0 to 10 mph
SE
Friday Night
Apr 17
Showers And Thunderstorms
58°F
10 to 15 mph
S
Saturday
Apr 18
Showers And Thunderstorms
62°F
15 to 20 mph
W
Saturday Night
Apr 18
Slight Chance Rain Showers then Partly Cloudy
35°F
10 to 15 mph
W
Sunday
Apr 19
Sunny
47°F
10 to 20 mph
W
Sunday Night
Apr 19
Mostly Clear
30°F
5 to 15 mph
NW
Monday
Apr 20
Sunny
53°F
5 to 10 mph
NW
Monday Night
Apr 20
Partly Cloudy
42°F
5 to 10 mph
S
Tuesday
Apr 21
Mostly Sunny
70°F
15 mph
SW
Tuesday Night
Apr 21
Partly Cloudy
49°F
10 to 15 mph
W
Wednesday
Apr 22
Mostly Sunny
69°F
5 to 10 mph
NW
Wednesday Night
Apr 22
Mostly Clear
47°F
5 to 10 mph
NE

Major City Forecasts

Live forecast snapshots for major cities across Saint Joseph County.

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Saint Joseph County.

Largest mapped city population in this region: 7,600.

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