O'Fallon Weather

  Tu Sep 16 We Sep 17 Th Sep 18 Fr Sep 19
Tmin
18-06
9°C 11°C 12°C 14°C
Tmax
06-18
21°C 20°C 24°C 27°C
morning
24-06
various clouds  few clouds  few clouds  few clouds
a.m.
06-12
mostly sunny  various clouds , light rain mostly sunny  mostly sunny
p.m.
12-18
mostly sunny  various clouds  mostly sunny  mostly sunny
evening
18-24
clear  few clouds  few clouds  few clouds
Last updated: Tu, 16 Sep, 04:25 BST
Nearby Forecast Locations - Malpensa Airport - map
Nearby Forecast Locations - O'Fallon Distance
Wentzville 13.1 km
Chesterfield 15.5 km
St Charles 28.7 km
Hazelwood 28.9 km
St. Louis 29.2 km
Washington 33.2 km
Ladue 33.4 km
Black Jack 37.6 km
East St. Louis 53.5 km
Alton 57.8 km
Festus 68.3 km
Sullivan 75.0 km

Forecast: O'Fallon Region

In the next few days, sunny spells are likely. But Wednesday some rain is to be expected. It's getting warmer - the temperature rises from 20 degrees on Wednesday to 27 degrees on Friday.