10-day forecast for St. Martins, MO: 68° to 105°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Tuesday, August 18
92° · 0.15 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10103° / 74°0.2
Morning78°feels 79°
Afternoon102°feels 106°
Evening88°feels 93°
Overnight82°feels 83°
103 °
St. Martins, Monday, 10 August
Heavy rain. High 103°, low 74°.
Pressure29.91 inHg
Wind13.5 mph SW
Humidity39%
Visibility6.2 mi
Dew point67°
Tue, 11104° / 73°0
Morning78°feels 78°
Afternoon101°feels 105°
Evening91°feels 92°
Overnight74°feels 75°
104 °
St. Martins, Tuesday, 11 August
Clear. High 104°, low 73°.
Pressure29.85 inHg
Wind15.4 mph SW
Humidity38%
Visibility6.2 mi
Dew point66°
Wed, 1298° / 74°0.05
Morning78°feels 79°
Afternoon91°feels 95°
Evening78°feels 79°
Overnight78°feels 78°
98 °
St. Martins, Wednesday, 12 August
Light rain. High 98°, low 74°.
Pressure29.80 inHg
Wind8.7 mph W
Humidity39%
Visibility6.2 mi
Dew point67°
Thu, 1396° / 70°0.04
Morning76°feels 78°
Afternoon90°feels 93°
Evening81°feels 85°
Overnight73°feels 74°
96 °
St. Martins, Thursday, 13 August
Light rain. High 96°, low 70°.
Pressure29.85 inHg
Wind13.8 mph E
Humidity44%
Visibility—
Dew point64°
Fri, 1484° / 68°0.06
Morning73°feels 73°
Afternoon78°feels 79°
Evening73°feels 74°
Overnight69°feels 70°
84 °
St. Martins, Friday, 14 August
Light rain. High 84°, low 68°.
Pressure30.00 inHg
Wind14.2 mph E
Humidity65%
Visibility—
Dew point65°
Sat, 1597° / 68°0.02
Morning75°feels 76°
Afternoon92°feels 95°
Evening88°feels 92°
Overnight76°feels 77°
97 °
St. Martins, Saturday, 15 August
Light rain. High 97°, low 68°.
Pressure30.03 inHg
Wind13.2 mph E
Humidity42%
Visibility—
Dew point62°
Sun, 1696° / 72°0
Morning78°feels 81°
Afternoon92°feels 99°
Evening89°feels 94°
Overnight78°feels 78°
96 °
St. Martins, Sunday, 16 August
Partly cloudy. High 96°, low 72°.
Pressure30.03 inHg
Wind9.5 mph NE
Humidity49%
Visibility—
Dew point68°
Mon, 1792° / 71°0.15
Morning76°feels 79°
Afternoon87°feels 93°
Evening82°feels 84°
Overnight75°feels 76°
92 °
St. Martins, Monday, 17 August
Light rain. High 92°, low 71°.
Pressure30.03 inHg
Wind7.9 mph NE
Humidity58%
Visibility—
Dew point69°
Tue, 18105° / 72°0
Morning80°feels 82°
Afternoon98°feels 101°
Evening96°feels 98°
Overnight83°feels 84°
105 °
St. Martins, Tuesday, 18 August
Partly cloudy. High 105°, low 72°.
Pressure29.88 inHg
Wind12.3 mph S
Humidity35%
Visibility—
Dew point62°
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. Martins, 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.