Climate almanac
Ottawa
Illinois, United States · 41.35°, -88.84°
What is the weather like in Ottawa in June?
In June, Ottawa is typically 84°F (29°C) during the day and 64°F (18°C) at night. The month brings about 4.5 in (115 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low64°F (18°C)
- Precipitation4.5 in (115 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)