United States · 1991–2020 normal
River Forest in
May.
Typical May weather in River Forest: 21.2°C by day, 9.6°C at night, 114 mm of rain over 10.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high21.2°C
Typical low9.6°C
Rain114 mm
Wet days10.2
Comfort score 64 this month (September leads the year at 87). Daylight is calculated as 14 h 32 from latitude 41.90°. Open-water sea temperature is 7.1°C (16 km from the place centre).
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4907637
- NOAA station
- USW00094846 · CHICAGO OHARE INTL AP
- Station distance
- 12 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.