THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 565 IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS NEW BUFFALO MI TO ST JOSEPH MI MICHIGAN CITY IN TO NEW BUFFALO MI LAKE MICHIGAN MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID-LINE OF LAKE.
Local weather forecast
Weather in South Haven, MI
Updated 2026-08-11 13:45 local time · ZIP codes 49090
Now75°F
Mist
High / Low83° / 69°
Rain chance69%
Wind4 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now75°18% rain
75°18% rain3 PM
75°56% rain
75°56% rain4 PM
79°25% rain
79°25% rain5 PM
80°9% rain
80°9% rain6 PM81°8% rain
81°8% rain7 PM82°8% rain
82°8% rain8 PM76°11% rain
76°11% rain9 PM
73°12% rain
73°12% rain10 PM71°15% rain
71°15% rain11 PM71°14% rain
71°14% rain12 AM69°15% rain
69°15% rain1 AM68°16% rain
68°16% rainForecast
3-day weather forecast
Today2026-08-11
83° 69°Sunny
Rain 69%Gust 8 mph
Tomorrow2026-08-12
80° 66°Sunny
Rain 22%Gust 10 mph
Thursday2026-08-13
78° 64°Sunny
Rain 8%Gust 9 mph
Conditions
Weather details
Feels like80°F
Humidity89%
Pressure29.97 inHg
Visibility4 mi
Wind4 mph N
Wind gusts7 mph
Precipitation0.00 in
UV index1
Daylight
Sunrise, sunset and moon
Sunrise06:47 AM
Sunset08:52 PM
Moonrise04:45 AM
Moon phaseNew Moon
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 81% over the next 12 hours.
Light layers should work
It feels like 80°F with winds near 4 mph.
Best window: 8 PM
76°F, 11% rain chance and 5 mph wind.
Use extra caution while driving
Visibility is around 4 mi; gusts may reach 11 mph.
Running conditions are less comfortable
Current temperature is 75°F, wind 4 mph, rain chance up to 81%.
Low UV protection needs
UV index is 1.
South Haven weather today
Mist and 75°F in South Haven, MI. Today's high is 83°F with a 69% rain chance. Winds are around 4 mph with gusts near 7 mph. Relative humidity is 89%, pressure is 29.97 inHg, and visibility is about 4 miles.
Tonight and tomorrow in South Haven
Sunrise is at 06:47 AM and sunset is at 08:52 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 66°F. The maximum rain chance is 22%.
Nearby
Weather near South Haven
Michigan
View state page →Popular cities in Michigan
Explore more weather
Browse Midwest →