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Union County, OH Hourly Weather Forecast

Next 48 Hours

Mon, Nov 9th 2026

Sunny skies early, becoming Cloudy skies later. Temps range from 46° to 56°. Light winds, shifting from W to SW at 5.7 mph, as humidity ranges 49% to 79%, and an avg barometric pressure of 30.1 inHg.
Mon, Nov 9th Temp Humidity Wind (mph) Pressure (inHg) Precip.
4 PM Hourly weather in Union County is forecast as Sunny and 56° at 4 PM on Mon, Nov 9th 2026
Sunny
UV: 0.6
56°F

Feels
50°F
49% 6.9 W 30.08 3%
5 PM Hourly weather in Union County is forecast as Overcast and 53° at 5 PM on Mon, Nov 9th 2026
Overcast
UV: 0.1
53°F

Feels
48°F
52% 6.5 W 30.1 11%
6 PM Hourly weather in Union County is forecast as Cloudy and 50° at 6 PM on Mon, Nov 9th 2026
Cloudy
UV: 0
50°F

Feels
47°F
56% 4.9 W 30.11 8%
7 PM Hourly weather in Union County is forecast as Clear and 48° at 7 PM on Mon, Nov 9th 2026
Clear
UV: 0
48°F

Feels
44°F
71% 2.7 WSW 30.1 7%
8 PM Hourly weather in Union County is forecast as Clear and 48° at 8 PM on Mon, Nov 9th 2026
Clear
UV: 0
48°F

Feels
46°F
62% 4.7 WSW 30.11 5%
9 PM Hourly weather in Union County is forecast as Overcast and 47° at 9 PM on Mon, Nov 9th 2026
Overcast
UV: 0
47°F

Feels
44°F
65% 6.5 SW 30.11 16%
10 PM Hourly weather in Union County is forecast as Partly Cloudy and 46° at 10 PM on Mon, Nov 9th 2026
Partly Cloudy
UV: 0
46°F

Feels
42°F
79% 6.3 SW 30.1 15%
11 PM Hourly weather in Union County is forecast as Cloudy and 47° at 11 PM on Mon, Nov 9th 2026
Cloudy
UV: 0
47°F

Feels
43°F
68% 7.4 SW 30.09 15%

Tue, Nov 10th 2026

Sunny skies early, becoming Clear conditions later. Warming trend from 43°F to 63°. Breezy wind, shifting from SW to NW at 8.1 mph, as humidity fluctuates between 55% to 82%, and an avg barometric pressure of 30.03 inHg.
Tue, Nov 10th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Hourly weather in Union County is forecast as Clear and 46° at 12 AM on Tue, Nov 10th 2026
Clear
UV: 0
46°F

Feels
42°F
66% 7.8 SW 30.08 5%
1 AM Hourly weather in Union County is forecast as Clear and 45° at 1 AM on Tue, Nov 10th 2026
Clear
UV: 0
45°F

Feels
40°F
78% 7.8 SW 30.07 9%
2 AM Hourly weather in Union County is forecast as Clear and 45° at 2 AM on Tue, Nov 10th 2026
Clear
UV: 0
45°F

Feels
40°F
68% 8.1 SW 30.08 6%
3 AM Hourly weather in Union County is forecast as Clear and 44° at 3 AM on Tue, Nov 10th 2026
Clear
UV: 0
44°F

Feels
39°F
70% 8.5 SW 30.07 6%
4 AM Hourly weather in Union County is forecast as Clear and 43° at 4 AM on Tue, Nov 10th 2026
Clear
UV: 0
43°F

Feels
38°F
81% 8.3 SW 30.05 10%
5 AM Hourly weather in Union County is forecast as Clear and 43° at 5 AM on Tue, Nov 10th 2026
Clear
UV: 0
43°F

Feels
39°F
67% 8.3 SW 30.05 6%
6 AM Hourly weather in Union County is forecast as Clear and 44° at 6 AM on Tue, Nov 10th 2026
Clear
UV: 0
44°F

Feels
39°F
64% 8.7 SW 30.04 4%
7 AM Hourly weather in Union County is forecast as Clear and 44° at 7 AM on Tue, Nov 10th 2026
Clear
UV: 0
44°F

Feels
39°F
75% 9.6 WSW 30.04 8%
8 AM Hourly weather in Union County is forecast as Sunny and 46° at 8 AM on Tue, Nov 10th 2026
Sunny
UV: 0
46°F

Feels
41°F
64% 9.6 WSW 30.05 5%
9 AM Hourly weather in Union County is forecast as Sunny and 50° at 9 AM on Tue, Nov 10th 2026
Sunny
UV: 0.5
50°F

Feels
45°F
61% 11.2 WSW 30.05 4%
10 AM Hourly weather in Union County is forecast as Sunny and 53° at 10 AM on Tue, Nov 10th 2026
Sunny
UV: 1.2
53°F

Feels
48°F
67% 10.3 WSW 30.05 5%
11 AM Hourly weather in Union County is forecast as Sunny and 58° at 11 AM on Tue, Nov 10th 2026
Sunny
UV: 2
58°F

Feels
50°F
57% 11.9 W 30.03 3%
12 PM Hourly weather in Union County is forecast as Sunny and 60° at 12 PM on Tue, Nov 10th 2026
Sunny
UV: 2.6
60°F

Feels
53°F
56% 11.9 W 30.01 3%
1 PM Hourly weather in Union County is forecast as Sunny and 61° at 1 PM on Tue, Nov 10th 2026
Sunny
UV: 2.6
61°F

Feels
55°F
61% 9.2 W 30.01 4%
2 PM Hourly weather in Union County is forecast as Sunny and 63° at 2 PM on Tue, Nov 10th 2026
Sunny
UV: 2.1
63°F

Feels
56°F
55% 11.9 W 29.98 3%
3 PM Hourly weather in Union County is forecast as Sunny and 63° at 3 PM on Tue, Nov 10th 2026
Sunny
UV: 1.3
63°F

Feels
56°F
55% 11.4 WNW 29.98 3%
4 PM Hourly weather in Union County is forecast as Sunny and 61° at 4 PM on Tue, Nov 10th 2026
Sunny
UV: 0.5
61°F

Feels
57°F
59% 6.7 WNW 29.99 3%
5 PM Hourly weather in Union County is forecast as Sunny and 58° at 5 PM on Tue, Nov 10th 2026
Sunny
UV: 0.1
58°F

Feels
53°F
68% 6.5 WNW 29.99 5%
6 PM Hourly weather in Union County is forecast as Clear and 54° at 6 PM on Tue, Nov 10th 2026
Clear
UV: 0
54°F

Feels
51°F
73% 6.3 NW 30.01 7%
7 PM Hourly weather in Union County is forecast as Clear and 51° at 7 PM on Tue, Nov 10th 2026
Clear
UV: 0
51°F

Feels
48°F
81% 4.7 WNW 30.03 10%
8 PM Hourly weather in Union County is forecast as Clear and 52° at 8 PM on Tue, Nov 10th 2026
Clear
UV: 0
52°F

Feels
49°F
73% 4.9 NW 30.03 7%
9 PM Hourly weather in Union County is forecast as Clear and 51° at 9 PM on Tue, Nov 10th 2026
Clear
UV: 0
51°F

Feels
49°F
71% 4.5 NW 30.03 6%
10 PM Hourly weather in Union County is forecast as Clear and 47° at 10 PM on Tue, Nov 10th 2026
Clear
UV: 0
47°F

Feels
46°F
82% 3.8 WNW 30.03 10%
11 PM Hourly weather in Union County is forecast as Clear and 49° at 11 PM on Tue, Nov 10th 2026
Clear
UV: 0
49°F

Feels
48°F
70% 3.1 NW 30.02 6%

Wed, Nov 11th 2026

Overcast conditions in the morning, with partly cloudy expected by night. Warming trend from 42°F to 62°. Light winds, shifting from NNW to SSW at 5.3 mph, as humidity ranges 42% to 92%, and an avg barometric pressure of 29.94 inHg.
Wed, Nov 11th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Hourly weather in Union County is forecast as Clear and 48° at 12 AM on Wed, Nov 11th 2026
Clear
UV: 0
48°F

Feels
45°F
70% 2 NNW 30.01 6%
1 AM Hourly weather in Union County is forecast as Partly Cloudy and 45° at 1 AM on Wed, Nov 11th 2026
Partly Cloudy
UV: 0
45°F

Feels
41°F
83% 2.2 WNW 30.01 13%
2 AM Hourly weather in Union County is forecast as Clear and 47° at 2 AM on Wed, Nov 11th 2026
Clear
UV: 0
47°F

Feels
44°F
71% 1.1 SSE 30.02 7%
3 AM Hourly weather in Union County is forecast as Partly Cloudy and 47° at 3 AM on Wed, Nov 11th 2026
Partly Cloudy
UV: 0
47°F

Feels
42°F
73% 2.7 S 30.01 13%
4 AM Hourly weather in Union County is forecast as Partly Cloudy and 43° at 4 AM on Wed, Nov 11th 2026
Partly Cloudy
UV: 0
43°F

Feels
40°F
87% 1.6 SW 30 16%
5 AM Hourly weather in Union County is forecast as Cloudy and 46° at 5 AM on Wed, Nov 11th 2026
Cloudy
UV: 0
46°F

Feels
42°F
79% 2.9 S 29.99 16%
6 AM Hourly weather in Union County is forecast as Overcast and 46° at 6 AM on Wed, Nov 11th 2026
Overcast
UV: 0
46°F

Feels
45°F
82% 3.4 S 29.98 24%
7 AM Hourly weather in Union County is forecast as Overcast and 42° at 7 AM on Wed, Nov 11th 2026
Overcast
UV: 0
42°F

Feels
39°F
92% 2 S 29.98 29%
8 AM Hourly weather in Union County is forecast as Overcast and 47° at 8 AM on Wed, Nov 11th 2026
Overcast
UV: 0
47°F

Feels
44°F
89% 6 S 29.97 29%
9 AM Hourly weather in Union County is forecast as Overcast and 50° at 9 AM on Wed, Nov 11th 2026
Overcast
UV: 0.4
50°F

Feels
47°F
83% 6.7 S 29.95 26%
10 AM Hourly weather in Union County is forecast as Overcast and 51° at 10 AM on Wed, Nov 11th 2026
Overcast
UV: 0.9
51°F

Feels
48°F
83% 4.9 S 29.95 25%
11 AM Hourly weather in Union County is forecast as Overcast and 57° at 11 AM on Wed, Nov 11th 2026
Overcast
UV: 1.6
57°F

Feels
50°F
58% 9.8 SSW 29.91 14%
12 PM Hourly weather in Union County is forecast as Overcast and 59° at 12 PM on Wed, Nov 11th 2026
Overcast
UV: 2
59°F

Feels
51°F
50% 10.5 SSW 29.87 12%
1 PM Hourly weather in Union County is forecast as Overcast and 59° at 1 PM on Wed, Nov 11th 2026
Overcast
UV: 1.8
59°F

Feels
54°F
60% 6.5 SSW 29.86 15%
2 PM Hourly weather in Union County is forecast as Overcast and 62° at 2 PM on Wed, Nov 11th 2026
Overcast
UV: 1.4
62°F

Feels
53°F
42% 11.2 SSW 29.79 10%
3 PM Hourly weather in Union County is forecast as Overcast and 62° at 3 PM on Wed, Nov 11th 2026
Overcast
UV: 0.9
62°F

Feels
53°F
42% 11 SSW 29.76 10%

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