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As of 06:10 CST

Weather in O'Fallon, MO

60°Current weather

O'Fallon, Sunday, 1 November, 06:10

Overcast. Feels like 60°. High 68°, low 60°.

Pressure30.21 inHg
Wind4.6 mph E
Humidity88%
Visibility6.2 mi
Dew point57°

10-day forecast for O'Fallon, MO: 46° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

72°
Best day: Monday, November 2
70° · 0.76 in
Worst day: Tuesday, November 3

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 0272° / 61°0Overcast
MorningOvercast63°feels 64°
AfternoonOvercast72°feels 72°
EveningOvercast68°feels 69°
OvernightOvercast61°feels 61°
72 °Overcast

O'Fallon, Monday, 2 November

Overcast. High 72°, low 61°.

Pressure29.97 inHg
Wind12.5 mph S
Humidity79%
Visibility6.2 mi
Dew point63°
Tue, 0370° / 60°0.76Heavy rain
MorningHeavy rain66°feels 67°
AfternoonLight rain68°feels 69°
EveningLight rain62°feels 63°
OvernightOvercast68°feels 68°
70 °Heavy rain

O'Fallon, Tuesday, 3 November

Heavy rain. High 70°, low 60°.

Pressure29.74 inHg
Wind19 mph S
Humidity92%
Visibility3.1 mi
Dew point66°
Wed, 0461° / 53°0Overcast
MorningPartly cloudy54°feels 53°
AfternoonOvercast61°feels 59°
EveningOvercast56°feels 55°
OvernightOvercast58°feels 57°
61 °Overcast

O'Fallon, Wednesday, 4 November

Overcast. High 61°, low 53°.

Pressure29.77 inHg
Wind14 mph W
Humidity58%
Visibility6.2 mi
Dew point46°
Thu, 0558° / 49°0.01Light rain
MorningLight rain52°feels 49°
AfternoonLight rain58°feels 56°
EveningLight rain54°feels 53°
OvernightPartly cloudy54°feels 52°
58 °Light rain

O'Fallon, Thursday, 5 November

Light rain. High 58°, low 49°.

Pressure29.88 inHg
Wind13 mph W
Humidity60%
Visibility—
Dew point44°
Fri, 0659° / 52°0Overcast
MorningOvercast54°feels 53°
AfternoonOvercast57°feels 56°
EveningOvercast57°feels 55°
OvernightOvercast54°feels 53°
59 °Overcast

O'Fallon, Friday, 6 November

Overcast. High 59°, low 52°.

Pressure30.09 inHg
Wind9.1 mph N
Humidity65%
Visibility—
Dew point45°
Sat, 0762° / 49°0Overcast
MorningOvercast53°feels 51°
AfternoonOvercast61°feels 59°
EveningOvercast55°feels 53°
OvernightOvercast52°feels 49°
62 °Overcast

O'Fallon, Saturday, 7 November

Overcast. High 62°, low 49°.

Pressure29.74 inHg
Wind10.8 mph W
Humidity40%
Visibility—
Dew point35°
Sun, 0861° / 46°0Partly cloudy
MorningPartly cloudy51°feels 47°
AfternoonPartly cloudy58°feels 56°
EveningPartly cloudy51°feels 48°
OvernightPartly cloudy48°feels 44°
61 °Partly cloudy

O'Fallon, Sunday, 8 November

Partly cloudy. High 61°, low 46°.

Pressure29.88 inHg
Wind13.8 mph NW
Humidity46%
Visibility—
Dew point37°
Mon, 0967° / 46°0Clear
MorningClear51°feels 47°
AfternoonClear63°feels 61°
EveningClear56°feels 54°
OvernightClear52°feels 50°
67 °Clear

O'Fallon, Monday, 9 November

Clear. High 67°, low 46°.

Pressure29.91 inHg
Wind9.5 mph W
Humidity38%
Visibility—
Dew point35°
Tue, 1069° / 50°0Overcast
MorningOvercast56°feels 54°
AfternoonOvercast67°feels 65°
EveningOvercast60°feels 58°
OvernightOvercast57°feels 55°
69 °Overcast

O'Fallon, Tuesday, 10 November

Overcast. High 69°, low 50°.

Pressure30.03 inHg
Wind7.2 mph NE
Humidity40%
Visibility—
Dew point40°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in O'Fallon, MO around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.