10-day forecast for Ballwin, MO: 41° to 80°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, October 25
58°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1757° / 41°0
Morning43°feels 39°
Afternoon56°feels 54°
Evening49°feels 49°
Overnight45°feels 41°
57 °
Ballwin, Saturday, 17 October
Clear. High 57°, low 41°.
Pressure30.56 inHg
Wind1.9 mph NE
Humidity51%
Visibility6.2 mi
Dew point36°
Sun, 1863° / 43°0
Morning44°feels 41°
Afternoon62°feels 60°
Evening53°feels 51°
Overnight45°feels 43°
63 °
Ballwin, Sunday, 18 October
Clear. High 63°, low 43°.
Pressure30.47 inHg
Wind6 mph S
Humidity45%
Visibility6.2 mi
Dew point38°
Mon, 1967° / 43°0
Morning44°feels 43°
Afternoon67°feels 65°
Evening56°feels 55°
Overnight46°feels 45°
67 °
Ballwin, Monday, 19 October
Partly cloudy. High 67°, low 43°.
Pressure30.39 inHg
Wind2.8 mph S
Humidity49%
Visibility6.2 mi
Dew point45°
Tue, 2069° / 44°0
Morning48°feels 48°
Afternoon68°feels 66°
Evening60°feels 58°
Overnight49°feels 48°
69 °
Ballwin, Tuesday, 20 October
Partly cloudy. High 69°, low 44°.
Pressure30.33 inHg
Wind2.2 mph SE
Humidity48%
Visibility6.2 mi
Dew point44°
Wed, 2171° / 47°0.07
Morning53°feels 53°
Afternoon68°feels 67°
Evening61°feels 60°
Overnight58°feels 56°
71 °
Ballwin, Wednesday, 21 October
Light rain. High 71°, low 47°.
Pressure30.27 inHg
Wind5 mph SE
Humidity46%
Visibility—
Dew point45°
Thu, 2276° / 52°0
Morning58°feels 56°
Afternoon72°feels 71°
Evening67°feels 65°
Overnight61°feels 59°
76 °
Ballwin, Thursday, 22 October
Clear. High 76°, low 52°.
Pressure30.18 inHg
Wind5 mph SE
Humidity35%
Visibility—
Dew point41°
Fri, 2377° / 58°0
Morning63°feels 61°
Afternoon74°feels 73°
Evening68°feels 66°
Overnight64°feels 62°
77 °
Ballwin, Friday, 23 October
Overcast. High 77°, low 58°.
Pressure30.15 inHg
Wind5.2 mph SE
Humidity26%
Visibility—
Dew point36°
Sat, 2479° / 60°0
Morning65°feels 63°
Afternoon76°feels 75°
Evening69°feels 68°
Overnight65°feels 63°
79 °
Ballwin, Saturday, 24 October
Partly cloudy. High 79°, low 60°.
Pressure30.21 inHg
Wind6.4 mph SE
Humidity30%
Visibility—
Dew point41°
Sun, 2580° / 60°0
Morning65°feels 64°
Afternoon77°feels 76°
Evening72°feels 70°
Overnight67°feels 66°
80 °
Ballwin, Sunday, 25 October
Overcast. High 80°, low 60°.
Pressure30.15 inHg
Wind6.6 mph S
Humidity31%
Visibility—
Dew point42°
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 Ballwin, 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.