Indianapolis, IN 14-Day Forecast
Indiana, United States 🇺🇸
81°
Overcast right now
Today: high 89°, low 60°
Updated 2 hours ago
Indianapolis weather for the next 14 days
Thursday, August 27
Sunny High 79° Low 66°Precipitation
57%
· 0.04 in
Max wind
9 mph
Humidity
78%
UV index
8 - High
Sunrise / sunset
07:08 AM / 08:24 PM
Friday, August 28
Sunny High 79° Low 63°Precipitation
4%
· 0.0 in
Max wind
8 mph
Humidity
66%
UV index
7 - High
Sunrise / sunset
07:09 AM / 08:22 PM
Saturday, August 29
Overcast High 81° Low 63°Precipitation
13%
· 0.0 in
Max wind
7 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
07:09 AM / 08:21 PM
Sunday, August 30
Sunny High 88° Low 66°Precipitation
7%
· 0.0 in
Max wind
10 mph
Humidity
57%
UV index
8 - Very High
Sunrise / sunset
07:10 AM / 08:19 PM
Monday, August 31
Sunny High 92° Low 74°Precipitation
6%
· 0.0 in
Max wind
12 mph
Humidity
56%
UV index
8 - Very High
Sunrise / sunset
07:11 AM / 08:18 PM
Tuesday, September 1
Sunny High 92° Low 76°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
57%
UV index
8 - Very High
Sunrise / sunset
07:12 AM / 08:16 PM
Wednesday, September 2
Sunny High 94° Low 78°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
55%
UV index
8 - Very High
Sunrise / sunset
07:13 AM / 08:14 PM
Thursday, September 3
Patchy rain nearby High 86° Low 74°Precipitation
36%
· 0.01 in
Max wind
11 mph
Humidity
67%
UV index
7 - High
Sunrise / sunset
07:14 AM / 08:13 PM
Friday, September 4
Overcast High 78° Low 69°Precipitation
88%
· 0.23 in
Max wind
10 mph
Humidity
89%
UV index
5 - Moderate
Sunrise / sunset
07:15 AM / 08:11 PM
Saturday, September 5
Mist High 79° Low 68°Precipitation
79%
· 0.12 in
Max wind
9 mph
Humidity
89%
UV index
6 - High
Sunrise / sunset
07:16 AM / 08:10 PM
Sunday, September 6
Overcast High 83° Low 69°Precipitation
12%
· 0.0 in
Max wind
6 mph
Humidity
72%
UV index
6 - High
Sunrise / sunset
07:17 AM / 08:08 PM
Monday, September 7
Patchy rain nearby High 82° Low 71°Precipitation
81%
· 0.14 in
Max wind
9 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
07:18 AM / 08:06 PM
Tuesday, September 8
Light rain shower High 76° Low 56°Precipitation
92%
· 0.75 in
Max wind
11 mph
Humidity
94%
UV index
4 - Moderate
Sunrise / sunset
07:19 AM / 08:05 PM
Indianapolis 14-day outlook: the story
The warmest day of Indianapolis's 14-day outlook is Wednesday, September 2 with a high near 94°F (34°C); the coolest night comes Tuesday, September 8, dipping to 56°F (13°C). The trend points cooler: week two runs about 3°F below week one. Highs over the next two weeks average 86°F (30°C), about 3°F (2°C) above the typical August high of 83°F (28°C).
Precipitation is most likely on Wednesday 26, Thursday 27, Friday 4, Saturday 5 and beyond; the wettest day looks like Tuesday, September 8 with about 0.75 in (19.1 mm) expected. For the weekend, expect Saturday 81°F (27°C) and overcast / Sunday 88°F (31°C) and sunny.
For typical conditions month by month, see the Indianapolis climate & average temperatures guide.
Indianapolis forecast questions
Will it rain in Indianapolis this week?
The forecast currently shows meaningful precipitation chances on 6 of the next 14 days, peaking around Tuesday, September 8.
What will be the warmest day in Indianapolis over the next 14 days?
Wednesday, September 2, with a forecast high near 94°F (34°C).
How accurate is a 14-day forecast for Indianapolis?
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 Indianapolis by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 38° | 23° | 10 | 3.4 in | 5.1 h/day | 72% |
| February | 43° | 25° | 9 | 3.2 in | 6.6 h/day | 69% |
| March | 52° | 34° | 13 | 5.3 in | 7.4 h/day | 68% |
| April | 62° | 43° | 12 | 4.1 in | 8.7 h/day | 66% |
| May | 73° | 55° | 14 | 4.9 in | 9.9 h/day | 70% |
| June | 82° | 64° | 12 | 4.0 in | 11.6 h/day | 67% |
| July | 85° | 67° | 13 | 4.6 in | 11.7 h/day | 73% |
| August | 83° | 66° | 11 | 3.5 in | 11.3 h/day | 72% |
| September | 79° | 61° | 7 | 2.9 in | 10.0 h/day | 69% |
| October | 66° | 49° | 10 | 3.1 in | 8.0 h/day | 69% |
| November | 52° | 36° | 9 | 3.2 in | 6.4 h/day | 71% |
| December | 44° | 29° | 9 | 3.5 in | 5.1 h/day | 74% |