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Weather for 49090 — South Haven, MI

Conditions and forecast for the exact centre of ZIP code 49090 (42.404, -86.254), not a nearby airport.

54°

Light rain

Feels like:
48°
Humidity:
75%
Wind:
28 mph
Dew point:
46°

Source updated: 5:49:02 PM · WeatherSignal checked: 5:49:02 PM

Source: Open-Meteo (national weather-service models)

Next 12 hours in 49090

6 PM

53°

0%

7 PM

54°

0%

8 PM

52°

0%

9 PM

53°

0%

10 PM

53°

0%

11 PM

53°

0%

12 AM

51°

0%

1 AM

51°

0%

2 AM

50°

0%

3 AM

49°

0%

4 AM

48°

0%

5 AM

47°

0%

7 day forecast for 49090

  • Today

    54° / 52°

    0% rain · 34 mph wind

  • Saturday, Oct 17

    53° / 43°

    0% rain · 32 mph wind

  • Sunday, Oct 18

    60° / 51°

    0% rain · 23 mph wind

  • Monday, Oct 19

    60° / 49°

    0% rain · 15 mph wind

  • Tuesday, Oct 20

    64° / 49°

    0% rain · 6 mph wind

  • Wednesday, Oct 21

    64° / 48°

    0% rain · 8 mph wind

  • Thursday, Oct 22

    64° / 50°

    0% rain · 6 mph wind

About ZIP code 49090

49090 covers South Haven in Michigan. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.

Closest cities with full forecast pages: Grand Rapids (49 mi), South Bend (50 mi), Chicago (79 mi), Kenosha (81 mi).

Nearby ZIP codes

Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.

Planning your week in South Haven 49090, Michigan

  • The warmest afternoon ahead is Wednesday, reaching about 64°F.
  • The coldest night ahead dips to about 43°F.
  • This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
  • The breeziest day looks like today, with sustained wind near 34 mph.

Common questions about South Haven 49090, Michigan weather

How accurate is the South Haven 49090, Michigan forecast?
The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
What is the best day this week in South Haven 49090, Michigan?
No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
Where does this forecast come from?
Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
How often is this page updated?
The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.

More weather for South Haven 49090, Michigan

Weather in nearby cities

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