Indianapolis, IN 14-Day Forecast
Indiana, United States 🇺🇸
76°
Cloudy right now
Today: high 83°, low 70°
Updated 3 hours ago
Indianapolis weather for the next 14 days
Tuesday, August 18
Overcast High 78° Low 61°Precipitation
16%
· 0.0 in
Max wind
7 mph
Humidity
75%
UV index
8 - High
Sunrise / sunset
06:59 AM / 08:37 PM
Wednesday, August 19
Overcast High 81° Low 66°Precipitation
73%
· 0.09 in
Max wind
8 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
07:00 AM / 08:35 PM
Thursday, August 20
Overcast High 80° Low 68°Precipitation
72%
· 0.1 in
Max wind
10 mph
Humidity
78%
UV index
2 - Low
Sunrise / sunset
07:01 AM / 08:34 PM
Friday, August 21
Sunny High 80° Low 64°Precipitation
4%
· 0.0 in
Max wind
7 mph
Humidity
64%
UV index
8 - High
Sunrise / sunset
07:02 AM / 08:33 PM
Saturday, August 22
Sunny High 80° Low 65°Precipitation
7%
· 0.0 in
Max wind
5 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
07:03 AM / 08:31 PM
Sunday, August 23
Sunny High 82° Low 67°Precipitation
42%
· 0.04 in
Max wind
6 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
07:04 AM / 08:30 PM
Monday, August 24
Overcast High 76° Low 65°Precipitation
19%
· 0.0 in
Max wind
6 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
07:05 AM / 08:28 PM
Tuesday, August 25
Patchy rain nearby High 82° Low 70°Precipitation
67%
· 0.1 in
Max wind
11 mph
Humidity
80%
UV index
7 - High
Sunrise / sunset
07:06 AM / 08:27 PM
Wednesday, August 26
Sunny High 75° Low 64°Precipitation
57%
· 0.04 in
Max wind
9 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
07:07 AM / 08:25 PM
Thursday, August 27
Sunny High 77° Low 63°Precipitation
8%
· 0.0 in
Max wind
6 mph
Humidity
76%
UV index
7 - High
Sunrise / sunset
07:08 AM / 08:24 PM
Friday, August 28
Sunny High 77° Low 63°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
07:09 AM / 08:22 PM
Saturday, August 29
Sunny High 77° Low 64°Precipitation
5%
· 0.0 in
Max wind
7 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
07:09 AM / 08:21 PM
Sunday, August 30
Sunny High 78° Low 62°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
69%
UV index
7 - High
Sunrise / sunset
07:10 AM / 08:19 PM
Indianapolis 14-day outlook: the story
The warmest day of Indianapolis's 14-day outlook is Monday, August 17 with a high near 83°F (28°C); the coolest night comes Tuesday, August 18, dipping to 61°F (16°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 80°F (27°C), about 3°F (2°C) below the typical August high of 83°F (28°C).
Precipitation is most likely on Monday 17, Wednesday 19, Thursday 20, Tuesday 25 and beyond; the wettest day looks like Monday, August 17 with about 4.99 in (126.7 mm) expected. For the weekend, expect Saturday 80°F (27°C) and sunny / Sunday 82°F (28°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 5 of the next 14 days, peaking around Monday, August 17.
What will be the warmest day in Indianapolis over the next 14 days?
Monday, August 17, with a forecast high near 83°F (28°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% |
14-day forecasts nearby