Indianapolis, IN 46219 Monthly Weather

Marion County4:27 PM EDT39.78°N, 86.05°W
← September

October 2026

Sun
Mon
Tue
Wed
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Fri
Sat
184°/58°Avg 72°/49°
286°/62°0.71 inAvg 71°/48°
365°/46°Avg 71°/48°
471°/46°Avg 70°/47°
576°/45°Avg 70°/47°
670°/43°Avg 70°/47°
772°/43°Avg 69°/46°
881°/47°Avg 69°/46°
978°/47°Avg 68°/45°
1081°/47°Avg 68°/45°
1171°/57°0.03 inAvg 67°/45°
1266°/51°0.02 inAvg 67°/44°
1386°/52°Avg 66°/44°
1489°/64°Avg 66°/44°
1580°/61°0.03 inAvg 66°/43°
1671°/53°0.57 inAvg 65°/43°
1753°/38°0.07 inAvg 65°/42°
1855°/34°Avg 64°/42°
1965°/34°Avg 64°/42°
2070°/38°Avg 63°/41°
21 Sunny 73°/45°Avg 63°/41°
22 Patchy Fog then Sunny 71°/46°Avg 62°/41°
23 Sunny 70°/47°Avg 62°/40°
24 Sunny 70°/45°Avg 62°/40°
25 Mostly Sunny 73°/47°Avg 61°/40°
26 Mostly Sunny 73°/49°Avg 61°/39°
27 Partly Sunny 68°/47°Avg 60°/39°
28 Partly cloudy 76°/55°Avg 60°/39°
29 Showers 75°/51°Avg 59°/38°
30 Sunny 58°/41°Avg 59°/38°
31Avg 58°/38°
Average high74° (normal 68°)
Average low48° (normal 45°)
Warmest / coldest89° / 34°
Precipitation1.43 in (normal 2.20 in to date)
Record high today85° (1953)
Record low today20° (1952)

Observed: Greenfield, 25 km away, records since 1903. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.