Indianapolis in October
In October, Indianapolis averages 19°C (66°F) during the day and 10°C (50°F) at night, with around 11 days of rain (87 mm total).
ShoulderConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
It's peak hurricane season in Indianapolis during October. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How October compares to the rest of the year in Indianapolis
October is in the middle of the year for warmth in Indianapolis (6th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 2°C above the annual average (17°C). October runs 7°C cooler than September (26°C) and cools 8°C in November (11°C).
October sunrise & sunset in Indianapolis
Times shown for Indianapolis local time (America/Indiana/Indianapolis), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in Indianapolis — October
Golden-hour and blue-hour windows for the 15th of October, in Indianapolis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Indianapolis in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and Indianapolis's popularity.
Crowds & pricing — October in Indianapolis
Indianapolis is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: excellent tourism weather peak hazard season (1 active)
Sun & mosquito risk — October in Indianapolis
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Indianapolis in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 3°C / 38°F | -5°C / 23°F | 82 mm | 10 | — |
| February | 6°C / 42°F | -4°C / 24°F | 86 mm | 10 | — |
| March | 11°C / 52°F | 1°C / 33°F | 127 mm | 12 | — |
| April | 17°C / 63°F | 6°C / 43°F | 107 mm | 12 | — |
| May | 23°C / 73°F | 13°C / 55°F | 124 mm | 14 | — |
| June | 28°C / 82°F | 18°C / 64°F | 102 mm | 12 | — |
| July | 29°C / 84°F | 20°C / 67°F | 115 mm | 13 | — |
| August | 28°C / 83°F | 19°C / 66°F | 89 mm | 11 | — |
| September | 26°C / 79°F | 16°C / 61°F | 72 mm | 8 | — |
| October | 19°C / 66°F | 10°C / 50°F | 87 mm | 11 | — |
| November | 11°C / 51°F | 2°C / 36°F | 76 mm | 8 | — |
| December | 7°C / 44°F | -1°C / 30°F | 85 mm | 10 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for Indianapolis in October →
Frequently asked questions
How hot is Indianapolis in October?
In October, Indianapolis averages a high of 19°C (66°F) and a low of 10°C (50°F) — generally mild and pleasant.
Does it rain a lot in Indianapolis in October?
October can be fairly wet in Indianapolis, with about 11 rainy days on average.
Is October a good time to visit Indianapolis?
October is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Indianapolis in October?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for Indianapolis for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.