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Indianapolis, IN Weather Forecast

View the 9-day weather forecast for Indianapolis, Indiana, including daily highs and lows, rain chances, rainfall amounts, wind speeds, humidity, and short-range versus extended OrbitalFusion guidance.

The latest 9-day OrbitalFusion forecast for Indianapolis, Indiana is in. The warmest stretch peaks on Thu near 90, while the coolest low settles in on Tue near 58. The best rain signal shows up on Tue at 70 percent and about 0.37 inches. The outlook starts with a near-term signal before shifting to extended signal later in the period.

Forecast data updated daily. Showing the latest available OrbitalFusion forecast for Indianapolis, Indiana.

Last updated:

Latest OrbitalFusion forecast loaded for Indianapolis, Indiana.

About OrbitalFusion
OrbitalFusion is an experimental forecast system developed by Engineer.Guide Research and Development Lab. Forecast pages are precomputed daily and refreshed on an automated schedule.

9-Day Outlook for Indianapolis, Indiana

A scan-first 9-day view generated for fast daily reading, with the main call for each day and the core details underneath.

OrbitalFusion Thunder Index is a 0-100 signal that blends near-term storm ingredients with extended pattern guidance.

Today's Weather Story
Today looks light rain possiblewith low rain chances, light wind, and humid air, and a minimal storm signal.
No official alerts currently active for this area.
Check Hourly Timing
A quick look at the next several hours for temperature, rain chance, wind, and storm signal.
8 PM ET
84°
Mostly Cloudy
Precip 0% · Wind 5 mph
Minimal Storm Signal · Near-Term Signal
9 PM ET
77°
Cloudy
Precip 0% · Wind 2 mph
Minimal Storm Signal · Near-Term Signal
10 PM ET
77°
Cloudy
Precip 0% · Wind 9 mph
Minimal Storm Signal · Near-Term Signal
11 PM ET
77°
Sunny
Precip 0% · Wind 9 mph
Minimal Storm Signal · Near-Term Signal
12 AM ET
76°
Sunny
Precip 0% · Wind 9 mph
Minimal Storm Signal · Near-Term Signal
1 AM ET
75°
Sunny
Precip 0% · Wind 7 mph
Minimal Storm Signal · Near-Term Signal
2 AM ET
75°
Partly Cloudy
Precip 0% · Wind 9 mph
Minimal Storm Signal · Near-Term Signal
3 AM ET
75°
Cloudy
Precip 0% · Wind 8 mph
Minimal Storm Signal · Near-Term Signal
4 AM ET
71°
Rain
Precip 20% · Wind 7 mph
Minimal Storm Signal · Near-Term Signal
5 AM ET
70°
Cloudy
Precip 0% · Wind 7 mph
Minimal Storm Signal · Near-Term Signal
6 AM ET
69°
Cloudy
Precip 0% · Wind 4 mph
Minimal Storm Signal · Near-Term Signal
7 AM ET
71°
Cloudy
Precip 0% · Wind 4 mph
Minimal Storm Signal · Near-Term Signal
Thu
Jun 11
90°
Low 69°
Near-Term Signal
Light rain possible
Precip 20% · Rain 0.03 in · Wind 13 mph · Humidity 91%
OrbitalFusion Thunder Index
0/100
Minimal Storm Signal
Storm Signal
Early guidance signal
Fri
Jun 12
83°
Low 63°
Near-Term Signal
Sunny
Precip 0% · Rain 0.00 in · Wind 12 mph · Humidity 92%
OrbitalFusion Thunder Index
0/100
Minimal Storm Signal
Storm Signal
Early guidance signal
Sat
Jun 13
82°
Low 64°
Extended Signal
Mostly quiet
Precip 0% · Rain 0.00 in · Wind 9 mph · Humidity 81%
OrbitalFusion Thunder Index
13/100
Minimal Storm Signal
Storm Signal
Early guidance signal
Sun
Jun 14
73°
Low 70°
Extended Signal
Light rain possible
Precip 35% · Rain 0.10 in · Wind 10 mph · Humidity 87%
OrbitalFusion Thunder Index
45/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Indianapolis
Mon
Jun 15
71°
Low 58°
Extended Signal
Light rain possible
Precip 55% · Rain 0.20 in · Wind 6 mph · Humidity 83%
OrbitalFusion Thunder Index
45/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Indianapolis
Tue
Jun 16
77°
Low 58°
Extended Signal
Light rain possible
Precip 70% · Rain 0.37 in · Wind 9 mph · Humidity 85%
OrbitalFusion Thunder Index
38/100
Low Storm Signal
Storm Signal
Early guidance signal
Wed
Jun 17
77°
Low 61°
Extended Signal
Mostly quiet
Precip 35% · Rain 0.09 in · Wind 12 mph · Humidity 85%
OrbitalFusion Thunder Index
38/100
Low Storm Signal
Storm Signal
Early guidance signal
Thu
Jun 18
78°
Low 73°
Extended Signal
Light rain possible
Precip 55% · Rain 0.20 in · Wind 14 mph · Humidity 72%
OrbitalFusion Thunder Index
46/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Indianapolis
Fri
Jun 19
83°
Low 71°
Extended Signal
Light rain possible
Precip 55% · Rain 0.19 in · Wind 3 mph · Humidity 90%
OrbitalFusion Thunder Index
46/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Indianapolis
Official alerts, when active, come from the National Weather Service.

Nearby Forecasts

Quick links to a few nearby cities if you want to compare the next 9 days around Indianapolis, Indiana.

Browse all OrbitalFusion pages