10-day forecast for Union, MI: 56° to 85°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Tuesday, August 18
83° · 1.76 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1083° / 67°1.76
Morning72°feels 73°
Afternoon83°feels 87°
Evening70°feels 71°
Overnight72°feels 73°
83 °
Union, Monday, 10 August
Heavy rain. High 83°, low 67°.
Pressure29.97 inHg
Wind6.8 mph W
Humidity84%
Visibility6.2 mi
Dew point70°
Tue, 1180° / 67°1.23
Morning70°feels 71°
Afternoon73°feels 74°
Evening76°feels 77°
Overnight69°feels 70°
80 °
Union, Tuesday, 11 August
Heavy rain. High 80°, low 67°.
Pressure29.80 inHg
Wind15.1 mph W
Humidity95%
Visibility—
Dew point72°
Wed, 1280° / 64°0
Morning65°feels 66°
Afternoon80°feels 80°
Evening70°feels 71°
Overnight66°feels 67°
80 °
Union, Wednesday, 12 August
Overcast. High 80°, low 64°.
Pressure29.83 inHg
Wind5.4 mph N
Humidity74%
Visibility6.2 mi
Dew point68°
Thu, 1369° / 56°0
Morning60°feels 59°
Afternoon69°feels 68°
Evening65°feels 64°
Overnight58°feels 57°
69 °
Union, Thursday, 13 August
Overcast. High 69°, low 56°.
Pressure30.03 inHg
Wind7.3 mph NE
Humidity60%
Visibility—
Dew point53°
Fri, 1474° / 56°0
Morning61°feels 60°
Afternoon72°feels 72°
Evening65°feels 65°
Overnight59°feels 58°
74 °
Union, Friday, 14 August
Clear. High 74°, low 56°.
Pressure30.12 inHg
Wind8 mph NW
Humidity54%
Visibility—
Dew point53°
Sat, 1574° / 56°0
Morning61°feels 60°
Afternoon71°feels 71°
Evening67°feels 67°
Overnight60°feels 59°
74 °
Union, Saturday, 15 August
Overcast. High 74°, low 56°.
Pressure30.30 inHg
Wind7.8 mph E
Humidity60%
Visibility—
Dew point55°
Sun, 1673° / 57°0
Morning65°feels 65°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight64°feels 64°
73 °
Union, Sunday, 16 August
Overcast. High 73°, low 57°.
Pressure30.15 inHg
Wind5.5 mph E
Humidity66%
Visibility—
Dew point60°
Mon, 1778° / 63°0.07
Morning67°feels 67°
Afternoon74°feels 75°
Evening70°feels 71°
Overnight65°feels 65°
78 °
Union, Monday, 17 August
Light rain. High 78°, low 63°.
Pressure30.06 inHg
Wind7 mph NW
Humidity74%
Visibility—
Dew point65°
Tue, 1881° / 62°0
Morning68°feels 68°
Afternoon79°feels 79°
Evening75°feels 76°
Overnight68°feels 69°
81 °
Union, Tuesday, 18 August
Overcast. High 81°, low 62°.
Pressure30.00 inHg
Wind8.6 mph SW
Humidity65%
Visibility—
Dew point64°
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, MI 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.