10-day forecast for Union, OH: 34° to 86°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Wednesday, October 21
86° · 0.47 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1578° / 62°0.1
Morning64°feels 64°
Afternoon75°feels 76°
Evening73°feels 75°
Overnight64°feels 64°
78 °
Union, Thursday, 15 October
Light rain. High 78°, low 62°.
Pressure30.09 inHg
Wind7.1 mph SE
Humidity77%
Visibility6.2 mi
Dew point58°
Fri, 1673° / 49°0.11
Morning67°feels 68°
Afternoon59°feels 58°
Evening54°feels 52°
Overnight73°feels 73°
73 °
Union, Friday, 16 October
Light rain. High 73°, low 49°.
Pressure29.88 inHg
Wind11.4 mph NW
Humidity86%
Visibility4.3 mi
Dew point55°
Sat, 1753° / 42°0.02
Morning43°feels 36°
Afternoon52°feels 49°
Evening45°feels 43°
Overnight49°feels 43°
53 °
Union, Saturday, 17 October
Light rain. High 53°, low 42°.
Pressure30.47 inHg
Wind12.1 mph N
Humidity52%
Visibility6.2 mi
Dew point30°
Sun, 1859° / 35°0
Morning35°feels 31°
Afternoon56°feels 54°
Evening49°feels 48°
Overnight39°feels 36°
59 °
Union, Sunday, 18 October
Clear. High 59°, low 35°.
Pressure30.53 inHg
Wind7.2 mph S
Humidity44%
Visibility—
Dew point33°
Mon, 1964° / 40°0
Morning47°feels 44°
Afternoon62°feels 61°
Evening55°feels 54°
Overnight52°feels 50°
64 °
Union, Monday, 19 October
Clear. High 64°, low 40°.
Pressure30.42 inHg
Wind5.7 mph S
Humidity47%
Visibility—
Dew point40°
Tue, 2067° / 52°0
Morning56°feels 55°
Afternoon65°feels 64°
Evening57°feels 55°
Overnight54°feels 52°
67 °
Union, Tuesday, 20 October
Overcast. High 67°, low 52°.
Pressure30.27 inHg
Wind6.2 mph S
Humidity52%
Visibility—
Dew point46°
Wed, 2167° / 50°0
Morning54°feels 54°
Afternoon65°feels 64°
Evening58°feels 57°
Overnight55°feels 54°
67 °
Union, Wednesday, 21 October
Clear. High 67°, low 50°.
Pressure30.12 inHg
Wind4.4 mph S
Humidity51%
Visibility—
Dew point46°
Thu, 2258° / 44°0
Morning53°feels 51°
Afternoon56°feels 54°
Evening47°feels 43°
Overnight46°feels 41°
58 °
Union, Thursday, 22 October
Partly cloudy. High 58°, low 44°.
Pressure30.12 inHg
Wind13 mph N
Humidity46%
Visibility—
Dew point37°
Fri, 2350° / 34°0
Morning38°feels 33°
Afternoon48°feels 44°
Evening42°feels 37°
Overnight38°feels 33°
50 °
Union, Friday, 23 October
Clear. High 50°, low 34°.
Pressure30.36 inHg
Wind10.6 mph N
Humidity45%
Visibility—
Dew point27°
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, OH 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.