10-day forecast for Union, MN: 54° to 84°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Monday, August 10
81° · 1.12 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0981° / 65°1.12
Morning65°feels 66°
Afternoon76°feels 77°
Evening77°feels 79°
Overnight66°feels 67°
81 °
Union, Sunday, 9 August
Heavy rain. High 81°, low 65°.
Pressure29.80 inHg
Wind7.8 mph SE
Humidity79%
Visibility6.2 mi
Dew point72°
Mon, 1083° / 67°0
Morning70°feels 72°
Afternoon83°feels 88°
Evening77°feels 79°
Overnight72°feels 73°
83 °
Union, Monday, 10 August
Light rain. High 83°, low 67°.
Pressure29.85 inHg
Wind11.8 mph E
Humidity78%
Visibility6.2 mi
Dew point72°
Tue, 1184° / 70°0.17
Morning72°feels 73°
Afternoon83°feels 89°
Evening77°feels 78°
Overnight71°feels 72°
84 °
Union, Tuesday, 11 August
Rain. High 84°, low 70°.
Pressure29.80 inHg
Wind6.1 mph NE
Humidity76%
Visibility6.2 mi
Dew point72°
Wed, 1282° / 62°0.09
Morning67°feels 67°
Afternoon82°feels 83°
Evening75°feels 76°
Overnight68°feels 68°
82 °
Union, Wednesday, 12 August
Light rain. High 82°, low 62°.
Pressure29.88 inHg
Wind5.5 mph SE
Humidity63%
Visibility6.2 mi
Dew point66°
Thu, 1374° / 56°0.2
Morning60°feels 60°
Afternoon71°feels 70°
Evening68°feels 68°
Overnight60°feels 58°
74 °
Union, Thursday, 13 August
Rain. High 74°, low 56°.
Pressure30.03 inHg
Wind11.5 mph NE
Humidity57%
Visibility—
Dew point53°
Fri, 1473° / 54°0
Morning59°feels 58°
Afternoon71°feels 71°
Evening68°feels 68°
Overnight60°feels 59°
73 °
Union, Friday, 14 August
Clear. High 73°, low 54°.
Pressure30.21 inHg
Wind7.7 mph SE
Humidity58%
Visibility—
Dew point54°
Sat, 1575° / 57°0
Morning61°feels 61°
Afternoon73°feels 73°
Evening70°feels 71°
Overnight66°feels 65°
75 °
Union, Saturday, 15 August
Overcast. High 75°, low 57°.
Pressure30.21 inHg
Wind15.8 mph S
Humidity68%
Visibility—
Dew point59°
Sun, 1679° / 66°0
Morning69°feels 69°
Afternoon76°feels 77°
Evening75°feels 76°
Overnight69°feels 70°
79 °
Union, Sunday, 16 August
Overcast. High 79°, low 66°.
Pressure30.06 inHg
Wind14 mph S
Humidity75%
Visibility—
Dew point66°
Mon, 1780° / 67°0.37
Morning71°feels 72°
Afternoon78°feels 79°
Evening77°feels 78°
Overnight69°feels 69°
80 °
Union, Monday, 17 August
Rain. High 80°, low 67°.
Pressure30.00 inHg
Wind9.4 mph N
Humidity81%
Visibility—
Dew point70°
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, MN 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.