Grand Rapids, MI Weather
Grand Rapids hourly forecast: next 24 hours
Today's high of 70°F (21°C) is about 5°F (3°C) below the typical September high of 75°F (24°C).
Current conditions in detail
Grand Rapids weather tomorrow (Wednesday, September 16)
Tomorrow in Grand Rapids looks overcast, with a high of 76° and an overnight low of 61°. Precipitation chance is modest at 17%. Winds top out near 10 mph, and the UV index reaches 6 (high).
Grand Rapids 14-day forecast
About the weather in Grand Rapids
Seasons are the whole story in Grand Rapids. The gap between an average July and an average January is 26°C - warm summers and cold, often snowy winters - which in practice means 82°F (28°C) afternoons at one end of the calendar and 32°F (0°C) at the other.
Grand Rapids weather: quick facts
- Hottest month: July - highs near 82°F (28°C)
- Coldest month: January - highs near 32°F (0°C)
- Decade extremes (2015-2024): 95°F (35°C) high · -18°F (-28°C) low
- Wettest month: June (12 rainy days) · Sunniest: July (12.3 h sun/day)
- Climate type: humid continental
- Annual swing: 26°C between the average warmest and coolest month · day to night: 9°C
- Snow: about 27 days a year
- Months with freezing average lows: 4
- Average humidity: 71%
Temperatures through the year
Snow falls on roughly 27 days a year, mostly November through April. January bottoms out at 32°F (0°C) in daylight, 20°F (-7°C) after dark. At its warmest, in July, Grand Rapids runs to 82°F (28°C) in the afternoon and back to 64°F (18°C) by dawn. Overnight lows average at or below freezing for 4 months, December through March.
Rain, sun and snow
Between the average July and the average January lie 26°C, a wider spread than roughly 88% of the cities we track. Sunshine averages 8.1 hours a day over the year - duller than about 81% of the cities we track, peaking in July at 12.3 hours. The gridded 2015-2024 daily record for this location tops out at 95°F (35°C) and bottoms at -18°F (-28°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Spring in Grand Rapids is mild, with daytime highs averaging 57°F (14°C) and nights around 38°F (3°C); rain falls on around 36 of the 90 days, plus about 5 snowy days.
Summer (June through August)
Through summer, Grand Rapids brings comfortable warmth: 80°F (27°C) by day, 62°F (17°C) after dark, and rain falls on around 33 of the 90 days. Daylight is generous - around 11.9 hours of sun a day.
Fall (September through November)
Fall in Grand Rapids stays on the cool side of mild, with daytime highs averaging 61°F (16°C) and nights around 46°F (8°C); rain falls on around 32 of the 90 days, plus about 3 snowy days.
Winter (December through February)
Through winter, Grand Rapids is bitterly cold: 35°F (1°C) by day, 22°F (-6°C) after dark, and rain falls on around 34 of the 90 days, plus about 20 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Grand Rapids by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 20° | 12 | 2.6 in | 3.7 h/day | 77% |
| February | 34° | 18° | 10 | 2.6 in | 6.1 h/day | 73% |
| March | 45° | 28° | 10 | 3.3 in | 7.7 h/day | 67% |
| April | 56° | 37° | 13 | 3.7 in | 8.7 h/day | 66% |
| May | 69° | 49° | 12 | 4.0 in | 10.2 h/day | 66% |
| June | 78° | 59° | 12 | 4.3 in | 12.0 h/day | 66% |
| July | 82° | 64° | 11 | 3.3 in | 12.3 h/day | 69% |
| August | 80° | 63° | 10 | 3.9 in | 11.4 h/day | 71% |
| September | 75° | 58° | 9 | 2.8 in | 9.5 h/day | 72% |
| October | 61° | 46° | 14 | 4.3 in | 6.8 h/day | 73% |
| November | 47° | 35° | 10 | 2.6 in | 5.1 h/day | 74% |
| December | 38° | 27° | 12 | 2.9 in | 3.4 h/day | 78% |