10-day forecast for Union, MO: 42° to 82°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Thursday, October 22
82° · 1.11 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1659° / 51°0.03
Morning51°feels 49°
Afternoon56°feels 54°
Evening52°feels 50°
Overnight57°feels 56°
59 °
Union, Friday, 16 October
Light rain. High 59°, low 51°.
Pressure30.24 inHg
Wind18.5 mph NW
Humidity50%
Visibility6.2 mi
Dew point37°
Sat, 1758° / 42°0
Morning43°feels 40°
Afternoon57°feels 54°
Evening49°feels 48°
Overnight47°feels 43°
58 °
Union, Saturday, 17 October
Clear. High 58°, low 42°.
Pressure30.59 inHg
Wind3.7 mph NE
Humidity51%
Visibility6.2 mi
Dew point36°
Sun, 1864° / 42°0
Morning43°feels 40°
Afternoon62°feels 60°
Evening53°feels 51°
Overnight43°feels 41°
64 °
Union, Sunday, 18 October
Clear. High 64°, low 42°.
Pressure30.50 inHg
Wind5.3 mph S
Humidity46%
Visibility6.2 mi
Dew point39°
Mon, 1968° / 42°0
Morning49°feels 48°
Afternoon64°feels 62°
Evening56°feels 55°
Overnight46°feels 44°
68 °
Union, Monday, 19 October
Overcast. High 68°, low 42°.
Pressure30.36 inHg
Wind4.8 mph S
Humidity43%
Visibility—
Dew point39°
Tue, 2071° / 45°0.02
Morning52°feels 51°
Afternoon68°feels 66°
Evening62°feels 61°
Overnight58°feels 57°
71 °
Union, Tuesday, 20 October
Light rain. High 71°, low 45°.
Pressure30.30 inHg
Wind6.1 mph E
Humidity40%
Visibility—
Dew point41°
Wed, 2175° / 55°0
Morning60°feels 59°
Afternoon72°feels 71°
Evening63°feels 61°
Overnight58°feels 57°
75 °
Union, Wednesday, 21 October
Clear. High 75°, low 55°.
Pressure30.30 inHg
Wind6.3 mph E
Humidity41%
Visibility—
Dew point46°
Thu, 2276° / 54°0
Morning60°feels 58°
Afternoon72°feels 71°
Evening62°feels 60°
Overnight58°feels 56°
76 °
Union, Thursday, 22 October
Partly cloudy. High 76°, low 54°.
Pressure30.21 inHg
Wind8.4 mph SE
Humidity31%
Visibility—
Dew point39°
Fri, 2374° / 54°0
Morning60°feels 58°
Afternoon73°feels 71°
Evening64°feels 62°
Overnight59°feels 57°
74 °
Union, Friday, 23 October
Overcast. High 74°, low 54°.
Pressure30.09 inHg
Wind14.9 mph S
Humidity34%
Visibility—
Dew point42°
Sat, 2465° / 56°0.33
Morning58°feels 58°
Afternoon62°feels 62°
Evening62°feels 63°
Overnight62°feels 62°
65 °
Union, Saturday, 24 October
Rain. High 65°, low 56°.
Pressure30.12 inHg
Wind11.7 mph SE
Humidity89%
Visibility—
Dew point58°
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 Union, 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.