10-day forecast for St. Ann, MO: 67° to 105°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Saturday, August 15
98° · 0.13 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10102° / 76°0
Morning79°feels 79°
Afternoon101°feels 103°
Evening90°feels 90°
Overnight83°feels 86°
102 °
St. Ann, Monday, 10 August
Mostly clear. High 102°, low 76°.
Pressure29.94 inHg
Wind11.1 mph SW
Humidity36%
Visibility6.2 mi
Dew point66°
Tue, 11103° / 81°0
Morning84°feels 85°
Afternoon102°feels 104°
Evening94°feels 95°
Overnight84°feels 85°
103 °
St. Ann, Tuesday, 11 August
Overcast. High 103°, low 81°.
Pressure29.91 inHg
Wind5.8 mph SW
Humidity44%
Visibility6.2 mi
Dew point66°
Wed, 12101° / 78°0.05
Morning81°feels 84°
Afternoon94°feels 98°
Evening89°feels 95°
Overnight87°feels 88°
101 °
St. Ann, Wednesday, 12 August
Light rain. High 101°, low 78°.
Pressure29.83 inHg
Wind5.1 mph NW
Humidity43%
Visibility6.2 mi
Dew point67°
Thu, 1398° / 74°0.13
Morning75°feels 77°
Afternoon91°feels 95°
Evening86°feels 89°
Overnight81°feels 84°
98 °
St. Ann, Thursday, 13 August
Light rain. High 98°, low 74°.
Pressure29.85 inHg
Wind13.1 mph SE
Humidity46%
Visibility—
Dew point66°
Fri, 1493° / 73°0
Morning78°feels 80°
Afternoon91°feels 96°
Evening82°feels 87°
Overnight77°feels 78°
93 °
St. Ann, Friday, 14 August
Overcast. High 93°, low 73°.
Pressure29.97 inHg
Wind13.4 mph E
Humidity47%
Visibility—
Dew point66°
Sat, 15105° / 73°0
Morning80°feels 82°
Afternoon100°feels 103°
Evening93°feels 101°
Overnight83°feels 89°
105 °
St. Ann, Saturday, 15 August
Mostly clear. High 105°, low 73°.
Pressure30.03 inHg
Wind11.8 mph E
Humidity30%
Visibility—
Dew point60°
Sun, 1696° / 77°0
Morning85°feels 87°
Afternoon92°feels 98°
Evening83°feels 87°
Overnight78°feels 79°
96 °
St. Ann, Sunday, 16 August
Mostly clear. High 96°, low 77°.
Pressure30.00 inHg
Wind11.9 mph NW
Humidity47%
Visibility—
Dew point69°
Mon, 1786° / 67°0
Morning72°feels 72°
Afternoon83°feels 82°
Evening79°feels 79°
Overnight74°feels 74°
86 °
St. Ann, Monday, 17 August
Overcast. High 86°, low 67°.
Pressure30.06 inHg
Wind8.3 mph NE
Humidity40%
Visibility—
Dew point55°
Tue, 18103° / 68°0.14
Morning75°feels 76°
Afternoon93°feels 95°
Evening93°feels 98°
Overnight79°feels 83°
103 °
St. Ann, Tuesday, 18 August
Light rain. High 103°, low 68°.
Pressure29.80 inHg
Wind9.5 mph S
Humidity40%
Visibility—
Dew point61°
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. Ann, 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.