Grand Rapids, MI 14-Day Forecast
Michigan, United States 🇺🇸
76°
Sunny right now
Today: high 87°, low 65°
Updated 5 hours ago
Grand Rapids weather for the next 14 days
Tuesday, August 18
Overcast High 82° Low 61°Precipitation
36%
· 0.02 in
Max wind
17 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
06:52 AM / 08:40 PM
Wednesday, August 19
Sunny High 85° Low 65°Precipitation
67%
· 0.19 in
Max wind
14 mph
Humidity
67%
UV index
7 - High
Sunrise / sunset
06:53 AM / 08:39 PM
Thursday, August 20
Sunny High 84° Low 60°Precipitation
2%
· 0.0 in
Max wind
13 mph
Humidity
50%
UV index
6 - High
Sunrise / sunset
06:54 AM / 08:37 PM
Friday, August 21
Sunny High 83° Low 58°Precipitation
57%
· 0.09 in
Max wind
12 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:55 AM / 08:36 PM
Saturday, August 22
Sunny High 80° Low 66°Precipitation
41%
· 0.02 in
Max wind
13 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
06:56 AM / 08:34 PM
Sunday, August 23
Sunny High 83° Low 60°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
06:57 AM / 08:33 PM
Monday, August 24
Overcast High 70° Low 62°Precipitation
78%
· 0.28 in
Max wind
9 mph
Humidity
67%
UV index
5 - Moderate
Sunrise / sunset
06:58 AM / 08:31 PM
Tuesday, August 25
Moderate or heavy rain shower High 70° Low 61°Precipitation
93%
· 1.34 in
Max wind
9 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
06:59 AM / 08:29 PM
Wednesday, August 26
Fog High 75° Low 61°Precipitation
83%
· 0.19 in
Max wind
7 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
07:00 AM / 08:28 PM
Thursday, August 27
Sunny High 78° Low 58°Precipitation
7%
· 0.0 in
Max wind
8 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
07:01 AM / 08:26 PM
Friday, August 28
Sunny High 78° Low 60°Precipitation
5%
· 0.0 in
Max wind
6 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
07:02 AM / 08:24 PM
Saturday, August 29
Sunny High 80° Low 60°Precipitation
6%
· 0.0 in
Max wind
6 mph
Humidity
59%
UV index
7 - High
Sunrise / sunset
07:04 AM / 08:23 PM
Sunday, August 30
Overcast High 82° Low 62°Precipitation
8%
· 0.0 in
Max wind
8 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
07:05 AM / 08:21 PM
Grand Rapids 14-day outlook: the story
The warmest day of Grand Rapids's 14-day outlook is Monday, August 17 with a high near 87°F (30°C); the coolest night comes Friday, August 21, dipping to 58°F (14°C). The trend points cooler: week two runs about 7°F below week one. Highs over the next two weeks average 83°F (29°C), about 3°F (2°C) above the typical August high of 80°F (27°C).
Precipitation is most likely on Wednesday 19, Friday 21, Monday 24, Tuesday 25 and beyond; the wettest day looks like Tuesday, August 25 with about 1.34 in (34.0 mm) expected. For the weekend, expect Saturday 80°F (26°C) and sunny / Sunday 83°F (28°C) and sunny.
For typical conditions month by month, see the Grand Rapids climate & average temperatures guide.
Grand Rapids forecast questions
Will it rain in Grand Rapids this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Tuesday, August 25.
What will be the warmest day in Grand Rapids over the next 14 days?
Monday, August 17, with a forecast high near 87°F (30°C).
How accurate is a 14-day forecast for Grand Rapids?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
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% |
14-day forecasts nearby