United States · 1991–2020 normal
Winnetka in
August.
Typical August weather in Winnetka: 27.7°C by day, 16.9°C at night, 107 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.7°C
Typical low16.9°C
Rain107 mm
Wet days8
Comfort score 70 this month (September leads the year at 84). Daylight is calculated as 13 h 53 from latitude 42.11°. Open-water sea temperature is 22.4°C (9 km from the place centre).
Event window
Warm sea in August
The nearest open-water NOAA OISST 1991–2020 cell averages 22.4°C in August. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4916891
- NOAA station
- USC00111497 · CHICAGO BOTANIC GARDEN
- Station distance
- 5.4 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.