INDIANAPOLIS, IN Weather Forecast & Current Conditions

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INDIANAPOLIS, IN
Current Weather

1:54 PM EDT SEP 18, 2026
Overcast
81°F
Feels Like: 85°F
Dewpoint: 72°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: NE at 9 mph
Pressure: 30.19 inches
Last 72 hours

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INDIANAPOLIS, IN
Weather Forecast

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Snow Depth pages
TONIGHT
Mostly cloudy early, then becoming partly cloudy. A chance of sprinkles toward daybreak. Lows in the mid 60s. Northeast winds 5 to 10 mph, becoming east toward daybreak.
SATURDAY
Partly cloudy with a chance of showers. A slight chance of thunderstorms through early afternoon, then a chance of thunderstorms late in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy with a slight chance of thunderstorms. A slight chance of showers through the late overnight, then a chance of showers toward daybreak. Humid with lows around 70. South winds around 5 mph. Chance of rain 50 percent.
SUNDAY
Partly cloudy with a slight chance of showers through early afternoon, then mostly cloudy with a chance of showers with a slight chance of thunderstorms late in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph, becoming north with gusts up to 20 mph late in the afternoon. Chance of rain 50 percent.
SUNDAY NIGHT
A slight chance of thunderstorms. A chance of showers through the late overnight, then showers likely toward daybreak. Lows in the lower 60s. Northeast winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent.
MONDAY
Mostly cloudy with a chance of thunderstorms. Showers likely through early afternoon, then a chance of showers late in the afternoon. Not as warm with highs in the lower 70s. Chance of rain 60 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 50 percent.
TUESDAY
Mostly cloudy with a chance of showers. A slight chance of thunderstorms late in the afternoon. Highs around 70. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy. A slight chance of showers through the late overnight. Lows in the upper 50s. Chance of rain 20 percent.
WEDNESDAY
Mostly cloudy. Highs in the lower 70s.
WEDNESDAY NIGHT THROUGH FRIDAY
Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.

Visible Weather Satellite
INDIANAPOLIS, IN
Infrared Weather Satellite
INDIANAPOLIS, IN
NEXRAD Weather Radar
INDIANAPOLIS, IN

INDIANAPOLIS, IN 3 hourly weather forecast

weather forecast created  7:00 AM CDT  9/18/2026
Friday
18 SEP 2026
INDIANAPOLIS, IN weather forecast Day 1, 12 hours 2 PM 79° 81° Mostly Cloudy 7%

0% Thunder
( 21% severe)
ENE   10 69% 68°
High 81° INDIANAPOLIS, IN weather forecast Day 1, 15 hours 5 PM 80° 82° Mostly Cloudy NE   12 65% 67°
Mostly Cloudy



INDIANAPOLIS, IN weather forecast Day 1, 18 hours 8 PM 76° 78° Partly Cloudy 4%

0% Thunder
( 8% severe)
ENE   12 66% 64°
INDIANAPOLIS, IN weather forecast Day 1, 21 hours 11 PM 72° 72° Mostly Cloudy E   10 76% 64°
Saturday
19 SEP 2026
INDIANAPOLIS, IN weather forecast Day 2, 0 hours 2 AM 68° 68° Mostly Cloudy 7%

0% Thunder
( 12% severe)
E   9 84% 63°
Low 65° INDIANAPOLIS, IN weather forecast Day 2, 3 hours 5 AM 67° 67° Partly Cloudy E   9 81% 61°
High 86° INDIANAPOLIS, IN weather forecast Day 2, 6 hours 8 AM 66° 66° Partly Cloudy 30%
RAIN
<.01 in
0% Thunder
( 23% severe)
ESE   9 84% 61°

Mostly Cloudy

Chance of Rain

INDIANAPOLIS, IN weather forecast Day 2, 9 hours 11 AM 75° 75° Mostly Cloudy SSE   9 71% 65°
INDIANAPOLIS, IN weather forecast Day 2, 12 hours 2 PM 83° 87° Mostly Cloudy 46%
RAIN
***
0% Thunder
( 39% severe)
S   9 63% 69°
INDIANAPOLIS, IN weather forecast Day 2, 15 hours 5 PM 84° 88° Partly Cloudy SSW   9 61% 69°
INDIANAPOLIS, IN weather forecast Day 2, 18 hours 8 PM 79° 82° Partly Cloudy 28%
RAIN
.5–1 in
0% Thunder
( 23% severe)
SSE   8 72% 69°
INDIANAPOLIS, IN weather forecast Day 2, 21 hours 11 PM 75° 75° Mostly Cloudy SSE   8 84% 70°
Sunday
20 SEP 2026
INDIANAPOLIS, IN weather forecast Day 3, 0 hours 2 AM 73° 73° Mostly Cloudy 29%
RAIN
.1–.25 in
0% Thunder
( 14% severe)
S   8 90% 70°
Low 70° INDIANAPOLIS, IN weather forecast Day 3, 3 hours 5 AM 72° 72° Partly Cloudy SSE   7 90% 69°
High 86° INDIANAPOLIS, IN weather forecast Day 3, 6 hours 8 AM 71° 71° Mostly Cloudy 32%
RAIN
1–2 in
0% Thunder
( 8% severe)
S   6 90% 68°

Mostly Cloudy

Chance of Rain

INDIANAPOLIS, IN weather forecast Day 3, 9 hours 11 AM 78° 80° Partly Cloudy SW   7 74% 69°
INDIANAPOLIS, IN weather forecast Day 3, 15 hours 2 PM 82° 85° Partly Cloudy 39%
RAIN
***
0% Thunder
( 17% severe)
WNW   8 63% 68°
INDIANAPOLIS, IN weather forecast Day 3, 18 hours 5 PM 82° 85° Mostly Cloudy N   10 63% 68°
INDIANAPOLIS, IN weather forecast Day 3, 21 hours 8 PM 76° 78° Mostly Cloudy     NNE   14 71% 66°

INDIANAPOLIS, IN extended weather forecast

Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Thursday
24 SEP 2026
Friday
25 SEP 2026
Low 65° Low 60° Low 57° Low 53° Low 54°
High 75° High 67° High 72° High 74° High 76°
INDIANAPOLIS, IN weather forecast Day 4 INDIANAPOLIS, IN weather forecast Day 5 INDIANAPOLIS, IN weather forecast Day 6 INDIANAPOLIS, IN weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
67% Rain
Overcast
72% Rain
Overcast
30% Rain
Overcast
21% Rain
Partly Cloudy
21% Rain
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