10-day forecast for Saint John, MO: 50° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Monday, November 2
64° · 0.67 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2674° / 51°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening56°feels 54°
Overnight56°feels 55°
74 °
Saint John, Monday, 26 October
Overcast. High 74°, low 51°.
Pressure30.30 inHg
Wind7.8 mph S
Humidity47%
Visibility6.2 mi
Dew point48°
Tue, 2771° / 51°0
Morning54°feels 53°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight55°feels 54°
71 °
Saint John, Tuesday, 27 October
Overcast. High 71°, low 51°.
Pressure30.21 inHg
Wind7.5 mph S
Humidity49%
Visibility6.2 mi
Dew point50°
Wed, 2875° / 54°0.01
Morning54°feels 54°
Afternoon75°feels 74°
Evening64°feels 64°
Overnight57°feels 56°
75 °
Saint John, Wednesday, 28 October
Light rain. High 75°, low 54°.
Pressure30.18 inHg
Wind8.5 mph S
Humidity52%
Visibility6.2 mi
Dew point54°
Thu, 2977° / 58°0.03
Morning61°feels 60°
Afternoon75°feels 75°
Evening68°feels 68°
Overnight60°feels 59°
77 °
Saint John, Thursday, 29 October
Light rain. High 77°, low 58°.
Pressure30.15 inHg
Wind8.8 mph S
Humidity56%
Visibility—
Dew point57°
Fri, 3077° / 58°0
Morning64°feels 63°
Afternoon76°feels 75°
Evening68°feels 67°
Overnight65°feels 64°
77 °
Saint John, Friday, 30 October
Overcast. High 77°, low 58°.
Pressure30.18 inHg
Wind6.4 mph S
Humidity52%
Visibility—
Dew point56°
Sat, 3164° / 59°0.67
Morning59°feels 59°
Afternoon61°feels 61°
Evening61°feels 61°
Overnight60°feels 60°
64 °
Saint John, Saturday, 31 October
Rain. High 64°, low 59°.
Pressure30.09 inHg
Wind11.5 mph S
Humidity93%
Visibility—
Dew point59°
Sun, 0170° / 59°0.21
Morning62°feels 63°
Afternoon67°feels 67°
Evening62°feels 61°
Overnight60°feels 60°
70 °
Saint John, Sunday, 1 November
Rain. High 70°, low 59°.
Pressure30.09 inHg
Wind7.7 mph NW
Humidity69%
Visibility—
Dew point56°
Mon, 0278° / 58°0
Morning63°feels 63°
Afternoon76°feels 76°
Evening73°feels 73°
Overnight69°feels 69°
78 °
Saint John, Monday, 2 November
Overcast. High 78°, low 58°.
Pressure29.94 inHg
Wind17.3 mph S
Humidity58%
Visibility—
Dew point58°
Tue, 0373° / 54°0.05
Morning66°feels 66°
Afternoon71°feels 70°
Evening59°feels 57°
Overnight56°feels 55°
73 °
Saint John, Tuesday, 3 November
Light rain. High 73°, low 54°.
Pressure29.94 inHg
Wind13.2 mph S
Humidity33%
Visibility—
Dew point41°
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.