10-day forecast for Old Union, MS: 72° to 111°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
111°
Best day: Monday, August 17
89° · 0.09 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 74°0.01
Morning81°feels 85°
Afternoon94°feels 96°
Evening84°feels 88°
Overnight79°feels 79°
94 °
Old Union, Monday, 10 August
Light rain. High 94°, low 74°.
Pressure30.09 inHg
Wind6.5 mph SW
Humidity43%
Visibility6.2 mi
Dew point69°
Tue, 1198° / 76°0
Morning81°feels 85°
Afternoon98°feels 103°
Evening84°feels 88°
Overnight78°feels 79°
98 °
Old Union, Tuesday, 11 August
Light rain. High 98°, low 76°.
Pressure30.06 inHg
Wind9 mph SW
Humidity44%
Visibility6.2 mi
Dew point70°
Wed, 1297° / 75°0.04
Morning83°feels 87°
Afternoon100°feels 105°
Evening82°feels 85°
Overnight78°feels 79°
97 °
Old Union, Wednesday, 12 August
Light rain. High 97°, low 75°.
Pressure30.00 inHg
Wind10.6 mph W
Humidity51%
Visibility6.2 mi
Dew point70°
Thu, 13100° / 75°0
Morning82°feels 85°
Afternoon99°feels 104°
Evening91°feels 94°
Overnight76°feels 77°
100 °
Old Union, Thursday, 13 August
Overcast. High 100°, low 75°.
Pressure29.97 inHg
Wind10.3 mph W
Humidity39%
Visibility6.2 mi
Dew point69°
Fri, 14104° / 79°0
Morning85°feels 86°
Afternoon100°feels 104°
Evening95°feels 96°
Overnight84°feels 84°
104 °
Old Union, Friday, 14 August
Overcast. High 104°, low 79°.
Pressure30.03 inHg
Wind11.6 mph W
Humidity33%
Visibility—
Dew point64°
Sat, 15105° / 77°0
Morning85°feels 85°
Afternoon102°feels 103°
Evening96°feels 96°
Overnight87°feels 88°
105 °
Old Union, Saturday, 15 August
Overcast. High 105°, low 77°.
Pressure30.12 inHg
Wind8.9 mph W
Humidity26%
Visibility—
Dew point58°
Sun, 16106° / 81°0
Morning88°feels 90°
Afternoon104°feels 106°
Evening95°feels 96°
Overnight86°feels 87°
106 °
Old Union, Sunday, 16 August
Overcast. High 106°, low 81°.
Pressure30.06 inHg
Wind8.7 mph S
Humidity23%
Visibility—
Dew point57°
Mon, 17111° / 80°0
Morning88°feels 90°
Afternoon107°feels 108°
Evening100°feels 99°
Overnight87°feels 89°
111 °
Old Union, Monday, 17 August
Mostly clear. High 111°, low 80°.
Pressure29.94 inHg
Wind10.6 mph W
Humidity21%
Visibility—
Dew point56°
Tue, 18105° / 79°0.06
Morning87°feels 88°
Afternoon103°feels 108°
Evening89°feels 95°
Overnight83°feels 85°
105 °
Old Union, Tuesday, 18 August
Light rain. High 105°, low 79°.
Pressure29.91 inHg
Wind11.8 mph N
Humidity28%
Visibility—
Dew point62°
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 Old Union, MS 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.