10-day forecast for Saint John, MO: 45° to 79°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Wednesday, October 28
53° · 2.18 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2879° / 51°0
Morning52°feels 51°
Afternoon78°feels 77°
Evening66°feels 65°
Overnight54°feels 52°
79 °
Saint John, Wednesday, 28 October
Clear. High 79°, low 51°.
Pressure30.15 inHg
Wind8.9 mph S
Humidity45%
Visibility6.2 mi
Dew point52°
Thu, 2979° / 59°0.06
Morning60°feels 59°
Afternoon78°feels 78°
Evening68°feels 69°
Overnight61°feels 60°
79 °
Saint John, Thursday, 29 October
Light rain. High 79°, low 59°.
Pressure30.15 inHg
Wind6.1 mph SW
Humidity56%
Visibility6.2 mi
Dew point59°
Fri, 3074° / 58°0
Morning58°feels 58°
Afternoon74°feels 73°
Evening65°feels 65°
Overnight62°feels 62°
74 °
Saint John, Friday, 30 October
Overcast. High 74°, low 58°.
Pressure30.18 inHg
Wind6.9 mph S
Humidity61%
Visibility6.2 mi
Dew point58°
Sat, 3170° / 60°0.46
Morning63°feels 62°
Afternoon68°feels 68°
Evening60°feels 61°
Overnight62°feels 62°
70 °
Saint John, Saturday, 31 October
Rain. High 70°, low 60°.
Pressure30.15 inHg
Wind10 mph SE
Humidity54%
Visibility—
Dew point51°
Sun, 0167° / 57°0.23
Morning61°feels 61°
Afternoon65°feels 65°
Evening62°feels 62°
Overnight58°feels 57°
67 °
Saint John, Sunday, 1 November
Rain. High 67°, low 57°.
Pressure30.06 inHg
Wind7.8 mph E
Humidity84%
Visibility—
Dew point60°
Mon, 0261° / 49°0.07
Morning52°feels 51°
Afternoon59°feels 58°
Evening57°feels 56°
Overnight53°feels 52°
61 °
Saint John, Monday, 2 November
Light rain. High 61°, low 49°.
Pressure29.88 inHg
Wind10.8 mph NE
Humidity64%
Visibility—
Dew point46°
Tue, 0356° / 53°0.57
Morning53°feels 53°
Afternoon55°feels 55°
Evening55°feels 55°
Overnight53°feels 53°
56 °
Saint John, Tuesday, 3 November
Rain. High 56°, low 53°.
Pressure30.00 inHg
Wind15.3 mph NE
Humidity95%
Visibility—
Dew point53°
Wed, 0453° / 50°2.18
Morning51°feels 50°
Afternoon50°feels 50°
Evening50°feels 49°
Overnight50°feels 50°
53 °
Saint John, Wednesday, 4 November
Heavy rain. High 53°, low 50°.
Pressure29.77 inHg
Wind17.5 mph NE
Humidity97%
Visibility—
Dew point50°
Thu, 0559° / 45°0.01
Morning50°feels 46°
Afternoon55°feels 53°
Evening48°feels 45°
Overnight45°feels 41°
59 °
Saint John, Thursday, 5 November
Light rain. High 59°, low 45°.
Pressure29.91 inHg
Wind13.7 mph N
Humidity77%
Visibility—
Dew point48°
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.