What to wear today in O'Fallon, MO — jacket, shorts & umbrella guidance from live conditions.Updated September 25 · Live conditions refresh automatically.
O'Fallon, MO
65°
Feels like 65° · H 68° · L 61°
Clothing
Light jacket
Light jacket is recommended at night.
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Heavy coatLight jacketLong sleevesBreathable clothingShorts
Light jacket
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Quick answer — O'Fallon, MO
Light jacket in O'Fallon, MO
Light jacket in O'Fallon, MO (H 68°, L 61°). Light jacket is recommended at night. Peak UV 0.
- Jacket
- Yes — bring one
- Shorts
- No — cover up
- Umbrella
- No need
· Live conditions refresh automatically.