As of 04:15 CDT

Weather in St. Clair, MO

42°Current weather

St. Clair, Sunday, 18 October, 04:15

Clear. Feels like 38°. High 67°, low 40°.

Pressure30.45 inHg
Wind5.9 mph S
Humidity90%
Visibility6.2 mi
Dew point38°

10-day forecast for St. Clair, MO: 40° to 81°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

81°
Best day: Saturday, October 24
64°
Worst day: Sunday, October 25

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

Mon, 1969° / 44°0Clear
MorningClear45°feels 43°
AfternoonPartly cloudy68°feels 66°
EveningOvercast57°feels 56°
OvernightClear49°feels 46°
69 °Clear

St. Clair, Monday, 19 October

Clear. High 69°, low 44°.

Pressure30.39 inHg
Wind2 mph SE
Humidity43%
Visibility6.2 mi
Dew point43°
Tue, 2071° / 45°0Clear
MorningMostly clear47°feels 47°
AfternoonClear70°feels 68°
EveningClear57°feels 55°
OvernightClear49°feels 49°
71 °Clear

St. Clair, Tuesday, 20 October

Clear. High 71°, low 45°.

Pressure30.36 inHg
Wind2.1 mph E
Humidity38%
Visibility6.2 mi
Dew point41°
Wed, 2173° / 47°0Clear
MorningClear49°feels 48°
AfternoonClear72°feels 71°
EveningClear59°feels 58°
OvernightPartly cloudy52°feels 51°
73 °Clear

St. Clair, Wednesday, 21 October

Clear. High 73°, low 47°.

Pressure30.30 inHg
Wind1 mph SW
Humidity41%
Visibility6.2 mi
Dew point45°
Thu, 2273° / 47°0Clear
MorningClear54°feels 54°
AfternoonClear70°feels 69°
EveningClear62°feels 61°
OvernightClear51°feels 50°
73 °Clear

St. Clair, Thursday, 22 October

Clear. High 73°, low 47°.

Pressure30.24 inHg
Wind5.3 mph NE
Humidity40%
Visibility—
Dew point43°
Fri, 2371° / 50°0Clear
MorningClear56°feels 55°
AfternoonClear69°feels 68°
EveningClear62°feels 61°
OvernightClear58°feels 56°
71 °Clear

St. Clair, Friday, 23 October

Clear. High 71°, low 50°.

Pressure30.24 inHg
Wind7.4 mph E
Humidity45%
Visibility—
Dew point45°
Sat, 2481° / 57°0Overcast
MorningOvercast63°feels 62°
AfternoonOvercast78°feels 77°
EveningOvercast67°feels 66°
OvernightOvercast64°feels 62°
81 °Overcast

St. Clair, Saturday, 24 October

Overcast. High 81°, low 57°.

Pressure30.24 inHg
Wind9.1 mph S
Humidity23%
Visibility—
Dew point36°
Sun, 2564° / 57°0Overcast
MorningOvercast60°feels 59°
AfternoonOvercast61°feels 60°
EveningOvercast57°feels 55°
OvernightOvercast57°feels 55°
64 °Overcast

St. Clair, Sunday, 25 October

Overcast. High 64°, low 57°.

Pressure30.45 inHg
Wind9.9 mph N
Humidity52%
Visibility—
Dew point44°
Mon, 2664° / 51°0Overcast
MorningOvercast55°feels 51°
AfternoonOvercast61°feels 59°
EveningOvercast57°feels 55°
OvernightOvercast56°feels 53°
64 °Overcast

St. Clair, Monday, 26 October

Overcast. High 64°, low 51°.

Pressure30.33 inHg
Wind6.7 mph E
Humidity36%
Visibility—
Dew point33°
Tue, 2772° / 54°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast70°feels 69°
EveningOvercast64°feels 62°
OvernightOvercast60°feels 58°
72 °Overcast

St. Clair, Tuesday, 27 October

Overcast. High 72°, low 54°.

Pressure30.15 inHg
Wind6.7 mph SW
Humidity39%
Visibility—
Dew point43°

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 St. Clair, 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.