Grand Rapids, MI Weather Forecast

The forecast is bbbrraaaiiinnsss....

🌪 TROPICAL ACTIVITY: TROPICAL STORM FAY Sustained winds 45 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: TROPICAL STORM GONZALO Sustained winds 40 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: HURRICANE ODALYS Sustained winds 95 kt. Track it on the zombie radar or see NHC advisories.
Mostly cloudy night
51°

ddaarrkk cclouudds

  • Humidity: 87%
  • Visibility: 6.2 Mi
  • Wind: ENE at 6 MPH
  • Dew Point: 0° F
  • Cloud Cover: 100%
  • UV Index: 0 - Low
  • Air Quality: Fair
  • Moon: Full Moon (98% full) · up 6:59pm, down 6:19am

☀ Solar Outbreak Watch: Quiet · largest flare C1.1 · Kp 3.7 The sun naps. The horde does not. full report →

Today's high of 67° F is colder than 76% of every September 25th since 2005.

FriSatSunMonTueWed

Zombie Survival Index™

45/100 — ELEVATED Locckk yourr doooorssss

  • Mild temps: standard shamble speed
  • Clear sightlines: you will see them coming
  • Darkness: their favorite
  • Full moon: they are faster tonight

Today's undead advice: Their favorite hour. Lock up before the light goes.

Rule #5 Silence is golden After dark, sound carries — and so does the smell of the living. all the Rules of Survival →

🌡 The weather here, in general

Grand Rapids gets a real winter. February nights average 19°F, and July highs reach about 82°F — a 63-degree swing across the year. Cold that deep is its own hazard: exposed skin, car batteries and water pipes all have opinions about it.

It essentially never gets hot here: fewer than five days a year reach 90°F. Cold, not heat, is the season worth preparing for.

Snow is a real feature of the year: roughly 36 inches falls in an average year, mostly across January, February, March, November and December. With 120 nights a year at or below freezing, ice on the roads is a longer season than snow on the ground.

Rainfall averages about 40 inches a year, wettest in June and driest in January.

MonthAvg highAvg lowRainSnow
Jan32°20° 2.6"11"
Feb34°19° 2.6"7.7"
Mar45°28° 3.3"4.1"
Apr56°37° 3.7"2.2"
May69°49° 4"—
Jun78°59° 4.3"—
Jul82°64° 3.3"—
Aug80°63° 3.9"—
Sep75°58° 2.8"—
Oct61°46° 4.3"0.4"
Nov47°35° 2.6"3.7"
Dec38°27° 2.9"7.2"

Averages from ten years of observed daily records (2015–2024) for this location. They describe what is typical, not what will happen — for that, see the forecast above.

📷 Golden Hour

  • Golden hour: 6:59pm - 7:37pm (dawn: 7:30am - 8:08am)
  • Blue hour: 7:37pm - 8:05pm (dawn: 7:02am - 7:30am)
  • Sun sets: 270° W (rises 90° E)
  • Dark sky: 9:12pm – 5:55am · next new moon Oct 11 (16d)

Prime Sunset odds 90/100 High cloud with gaps — this is the good stuff. Get in position early.

Full Moon
98% · full Sep 26

Sun & moon: sunrisesunset.io · cloud layers: Open-Meteo · astro & Milky Way planner →

Weather Details

Sat

Clear night

High: 69° F
|
Low: 49° F
nniiighhht... hunnnttt tiiime
High confidence ±2.5°
Weather Details

Sun

Clear night

High: 70° F
|
Low: 47° F
nniiighhht... hunnnttt tiiime
Low confidence ±6.2°
Weather Details

Mon

Clear night

High: 70° F
|
Low: 50° F
nniiighhht... hunnnttt tiiime
Low confidence ±7°
Weather Details

Tue

Clear night

High: 72° F
|
Low: 52° F
nniiighhht... hunnnttt tiiime
Moderate confidence ±5.9°
Weather Details

Wed

Rain

High: 63° F
|
Low: 63° F
rrrraaaiiinnn... Weeetttt
Low confidence ±7.5°
Weather Details


High: ° F
|
Low: ° F

Will it rain on your plans?

Weather Details

Fri Sep 25 5am 51° F

Mostly cloudy night
ddaarrkk cclouudds

  • Cloud Cover: 100%
  • Dew Point: 0° F
  • Humidity: 87%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / E
Weather Details

Fri Sep 25 8am 51° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 100%
  • Dew Point: 0° F
  • Humidity: 84%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 6 MPH / E
Weather Details

Fri Sep 25 11am 59° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 100%
  • Dew Point: 0° F
  • Humidity: 76%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 3 MPH / E
Weather Details

Fri Sep 25 2pm 64° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 98%
  • Dew Point: 0° F
  • Humidity: 61%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 5 MPH / E
Weather Details

Fri Sep 25 5pm 67° F

Partly cloudy
Ppaarrttt cclouudd

  • Cloud Cover: 42%
  • Dew Point: 0° F
  • Humidity: 56%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 5 MPH / E
Weather Details

Fri Sep 25 8pm 59° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 75%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 2 MPH / ENE
Weather Details

Fri Sep 25 11pm 54° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 83%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / ENE
Weather Details

Sat Sep 26 2am 50° F

Clear night
nniiighhht... hunnnttt tiiime

  • Cloud Cover: 0%
  • Dew Point: 0° F
  • Humidity: 85%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 6 MPH / ENE

7-Day Meteogram

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