10-day forecast for Saint John, MO: 52° to 82°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Sunday, October 25
65° · 1.43 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2676° / 52°0
Morning54°feels 52°
Afternoon78°feels 77°
Evening61°feels 60°
Overnight58°feels 56°
76 °
Saint John, Monday, 26 October
Overcast. High 76°, low 52°.
Pressure30.39 inHg
Wind4.4 mph S
Humidity43%
Visibility6.2 mi
Dew point49°
Tue, 2774° / 55°0
Morning53°feels 51°
Afternoon74°feels 73°
Evening62°feels 61°
Overnight56°feels 55°
74 °
Saint John, Tuesday, 27 October
Mostly clear. High 74°, low 55°.
Pressure30.30 inHg
Wind7.6 mph SW
Humidity39%
Visibility6.2 mi
Dew point46°
Wed, 2878° / 56°0
Morning56°feels 55°
Afternoon74°feels 73°
Evening64°feels 62°
Overnight58°feels 56°
78 °
Saint John, Wednesday, 28 October
Clear. High 78°, low 56°.
Pressure30.21 inHg
Wind8.7 mph S
Humidity42%
Visibility6.2 mi
Dew point48°
Thu, 2979° / 59°0.01
Morning59°feels 58°
Afternoon77°feels 76°
Evening68°feels 67°
Overnight58°feels 57°
79 °
Saint John, Thursday, 29 October
Light rain. High 79°, low 59°.
Pressure30.18 inHg
Wind8.7 mph S
Humidity48%
Visibility6.2 mi
Dew point52°
Fri, 3078° / 60°0
Morning65°feels 65°
Afternoon76°feels 75°
Evening68°feels 66°
Overnight65°feels 64°
78 °
Saint John, Friday, 30 October
Overcast. High 78°, low 60°.
Pressure30.12 inHg
Wind9.2 mph S
Humidity36%
Visibility—
Dew point46°
Sat, 3176° / 62°0.05
Morning66°feels 65°
Afternoon74°feels 74°
Evening66°feels 66°
Overnight69°feels 69°
76 °
Saint John, Saturday, 31 October
Light rain. High 76°, low 62°.
Pressure30.03 inHg
Wind15 mph S
Humidity45%
Visibility—
Dew point52°
Sun, 0182° / 69°0.04
Morning72°feels 73°
Afternoon80°feels 80°
Evening73°feels 73°
Overnight70°feels 70°
82 °
Saint John, Sunday, 1 November
Light rain. High 82°, low 69°.
Pressure29.94 inHg
Wind18.7 mph S
Humidity51%
Visibility—
Dew point60°
Mon, 0279° / 65°0.19
Morning70°feels 70°
Afternoon76°feels 75°
Evening67°feels 67°
Overnight66°feels 65°
79 °
Saint John, Monday, 2 November
Rain. High 79°, low 65°.
Pressure30.06 inHg
Wind8.6 mph NE
Humidity52%
Visibility—
Dew point57°
Tue, 0365° / 58°1.43
Morning60°feels 60°
Afternoon58°feels 58°
Evening59°feels 59°
Overnight61°feels 61°
65 °
Saint John, Tuesday, 3 November
Heavy rain. High 65°, low 58°.
Pressure29.91 inHg
Wind18.3 mph SE
Humidity93%
Visibility—
Dew point57°
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 Saint John, 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.