10-day forecast for Saint John, MO: 48° to 77°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Saturday, October 24
59° · 1 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2477° / 48°0
Morning50°feels 49°
Afternoon77°feels 76°
Evening59°feels 57°
Overnight53°feels 51°
77 °
Saint John, Saturday, 24 October
Overcast. High 77°, low 48°.
Pressure30.30 inHg
Wind6 mph S
Humidity45%
Visibility6.2 mi
Dew point49°
Sun, 2577° / 51°0
Morning54°feels 52°
Afternoon76°feels 76°
Evening63°feels 62°
Overnight57°feels 55°
77 °
Saint John, Sunday, 25 October
Overcast. High 77°, low 51°.
Pressure30.39 inHg
Wind4.7 mph S
Humidity45%
Visibility6.2 mi
Dew point51°
Mon, 2673° / 55°0
Morning55°feels 54°
Afternoon73°feels 72°
Evening61°feels 59°
Overnight57°feels 55°
73 °
Saint John, Monday, 26 October
Overcast. High 73°, low 55°.
Pressure30.33 inHg
Wind4.7 mph S
Humidity42%
Visibility6.2 mi
Dew point47°
Tue, 2772° / 54°0
Morning57°feels 55°
Afternoon72°feels 70°
Evening63°feels 62°
Overnight54°feels 53°
72 °
Saint John, Tuesday, 27 October
Overcast. High 72°, low 54°.
Pressure30.21 inHg
Wind5.9 mph S
Humidity45%
Visibility6.2 mi
Dew point46°
Wed, 2876° / 54°0.01
Morning60°feels 59°
Afternoon73°feels 72°
Evening66°feels 65°
Overnight61°feels 60°
76 °
Saint John, Wednesday, 28 October
Light rain. High 76°, low 54°.
Pressure30.09 inHg
Wind10.4 mph SW
Humidity40%
Visibility—
Dew point46°
Thu, 2976° / 60°0.01
Morning64°feels 63°
Afternoon75°feels 74°
Evening67°feels 66°
Overnight64°feels 63°
76 °
Saint John, Thursday, 29 October
Light rain. High 76°, low 60°.
Pressure30.09 inHg
Wind12.5 mph S
Humidity39%
Visibility—
Dew point47°
Fri, 3059° / 56°1
Morning57°feels 57°
Afternoon57°feels 57°
Evening57°feels 57°
Overnight56°feels 56°
59 °
Saint John, Friday, 30 October
Rain. High 59°, low 56°.
Pressure30.12 inHg
Wind11.1 mph SE
Humidity97%
Visibility—
Dew point56°
Sat, 3159° / 55°0.19
Morning56°feels 55°
Afternoon58°feels 57°
Evening58°feels 58°
Overnight57°feels 57°
59 °
Saint John, Saturday, 31 October
Rain. High 59°, low 55°.
Pressure30.06 inHg
Wind7.6 mph SE
Humidity90%
Visibility—
Dew point54°
Sun, 0169° / 53°0
Morning57°feels 57°
Afternoon66°feels 65°
Evening60°feels 60°
Overnight56°feels 56°
69 °
Saint John, Sunday, 1 November
Overcast. High 69°, low 53°.
Pressure30.09 inHg
Wind6 mph SE
Humidity61%
Visibility—
Dew point51°
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.