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As of 06:55 CDT

Weather in St. Peters, MO

74°Current weather

St. Peters, Sunday, 9 August, 06:55

Partly cloudy. Feels like 75°. High 96°, low 73°.

Pressure30.00 inHg
Wind10 mph S
Humidity92%
Visibility6.2 mi
Dew point71°

10-day forecast for St. Peters, MO: 66° to 102°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

97°
Best day: Tuesday, August 18
101° · 0.74 in
Worst day: Monday, August 10

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

Mon, 10101° / 72°0.74Heavy rain
MorningOvercast80°feels 80°
AfternoonOvercast99°feels 103°
EveningRain87°feels 94°
OvernightClear84°feels 87°
101 °Heavy rain

St. Peters, Monday, 10 August

Heavy rain. High 101°, low 72°.

Pressure29.91 inHg
Wind12.5 mph SW
Humidity41%
Visibility6.2 mi
Dew point68°
Tue, 11102° / 72°0.07Rain
MorningMostly clear79°feels 79°
AfternoonClear100°feels 103°
EveningOvercast89°feels 90°
OvernightOvercast74°feels 75°
102 °Rain

St. Peters, Tuesday, 11 August

Rain. High 102°, low 72°.

Pressure29.88 inHg
Wind12.1 mph SW
Humidity42%
Visibility6.2 mi
Dew point68°
Wed, 1294° / 77°0.01Light rain
MorningOvercast81°feels 84°
AfternoonMostly clear96°feels 104°
EveningOvercast86°feels 94°
OvernightLight rain84°feels 86°
94 °Light rain

St. Peters, Wednesday, 12 August

Light rain. High 94°, low 77°.

Pressure29.83 inHg
Wind7.5 mph NW
Humidity50%
Visibility6.2 mi
Dew point70°
Thu, 1389° / 74°0.11Light rain
MorningLight rain78°feels 81°
AfternoonLight rain87°feels 93°
EveningLight rain78°feels 79°
OvernightOvercast75°feels 77°
89 °Light rain

St. Peters, Thursday, 13 August

Light rain. High 89°, low 74°.

Pressure29.88 inHg
Wind14.3 mph E
Humidity57%
Visibility—
Dew point70°
Fri, 1474° / 66°0.09Light rain
MorningLight rain67°feels 68°
AfternoonLight rain71°feels 72°
EveningLight rain73°feels 73°
OvernightLight rain69°feels 69°
74 °Light rain

St. Peters, Friday, 14 August

Light rain. High 74°, low 66°.

Pressure30.06 inHg
Wind13.5 mph E
Humidity81%
Visibility—
Dew point64°
Sat, 1588° / 67°0.1Light rain
MorningLight rain70°feels 71°
AfternoonLight rain78°feels 80°
EveningLight rain82°feels 88°
OvernightLight rain75°feels 77°
88 °Light rain

St. Peters, Saturday, 15 August

Light rain. High 88°, low 67°.

Pressure30.12 inHg
Wind10.9 mph E
Humidity78%
Visibility—
Dew point69°
Sun, 1692° / 72°0Overcast
MorningOvercast77°feels 81°
AfternoonOvercast89°feels 98°
EveningOvercast86°feels 94°
OvernightOvercast77°feels 78°
92 °Overcast

St. Peters, Sunday, 16 August

Overcast. High 92°, low 72°.

Pressure30.03 inHg
Wind9.4 mph NE
Humidity58%
Visibility—
Dew point71°
Mon, 1789° / 72°0.04Light rain
MorningLight rain76°feels 78°
AfternoonLight rain86°feels 91°
EveningLight rain81°feels 84°
OvernightLight rain74°feels 76°
89 °Light rain

St. Peters, Monday, 17 August

Light rain. High 89°, low 72°.

Pressure30.06 inHg
Wind8.7 mph E
Humidity56%
Visibility—
Dew point67°
Tue, 1897° / 71°0Light rain
MorningLight rain76°feels 79°
AfternoonLight rain91°feels 98°
EveningLight rain89°feels 96°
OvernightLight rain80°feels 84°
97 °Light rain

St. Peters, Tuesday, 18 August

Light rain. High 97°, low 71°.

Pressure29.94 inHg
Wind11 mph E
Humidity51%
Visibility—
Dew point68°

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. Peters, 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.