When to go · Ottawa, Illinois
Ottawa, Illinois in October
Great month. Inside Ottawa, Illinois's best window: May–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 18°C64°F / 6°C43°F
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
GreatBest and avoid months for Ottawa, Illinois
Inside Ottawa, Illinois's best window: May–Jun, Sep–Oct.
Weather in October
- Ottawa, IllinoisHighs around 18 °C, lows around 6 °C, rain on about 8 daysHighs around 64 °F, lows around 43 °F, rain on about 8 days
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.
What to pack
- A warm layer for the evenings