10-day forecast for Saint Joe, IL: 66° to 102°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
102°
Best day: Tuesday, August 11
75° · 0.05 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10100° / 75°0
Morning78°feels 79°
Afternoon100°feels 103°
Evening87°feels 88°
Overnight82°feels 85°
100 °
Saint Joe, Monday, 10 August
Clear. High 100°, low 75°.
Pressure29.94 inHg
Wind11.9 mph SW
Humidity37%
Visibility6.2 mi
Dew point66°
Tue, 11102° / 74°0
Morning79°feels 79°
Afternoon101°feels 102°
Evening88°feels 89°
Overnight74°feels 74°
102 °
Saint Joe, Tuesday, 11 August
Partly cloudy. High 102°, low 74°.
Pressure29.88 inHg
Wind12.7 mph SW
Humidity33%
Visibility6.2 mi
Dew point64°
Wed, 1299° / 78°0.02
Morning79°feels 79°
Afternoon96°feels 100°
Evening85°feels 91°
Overnight85°feels 86°
99 °
Saint Joe, Wednesday, 12 August
Light rain. High 99°, low 78°.
Pressure29.83 inHg
Wind10.6 mph W
Humidity39%
Visibility6.2 mi
Dew point67°
Thu, 1393° / 73°0.1
Morning78°feels 81°
Afternoon89°feels 96°
Evening83°feels 88°
Overnight73°feels 75°
93 °
Saint Joe, Thursday, 13 August
Light rain. High 93°, low 73°.
Pressure29.88 inHg
Wind16.5 mph E
Humidity55%
Visibility—
Dew point69°
Fri, 1475° / 67°0.05
Morning71°feels 72°
Afternoon75°feels 76°
Evening74°feels 75°
Overnight69°feels 70°
75 °
Saint Joe, Friday, 14 August
Light rain. High 75°, low 67°.
Pressure30.03 inHg
Wind12.2 mph NE
Humidity75%
Visibility—
Dew point66°
Sat, 1596° / 66°0.06
Morning72°feels 74°
Afternoon87°feels 92°
Evening83°feels 89°
Overnight74°feels 76°
96 °
Saint Joe, Saturday, 15 August
Light rain. High 96°, low 66°.
Pressure30.09 inHg
Wind13.4 mph E
Humidity52%
Visibility—
Dew point65°
Sun, 1694° / 71°0
Morning79°feels 81°
Afternoon92°feels 98°
Evening85°feels 92°
Overnight76°feels 77°
94 °
Saint Joe, Sunday, 16 August
Partly cloudy. High 94°, low 71°.
Pressure30.03 inHg
Wind12.3 mph NW
Humidity48%
Visibility—
Dew point67°
Mon, 1789° / 71°0.15
Morning75°feels 77°
Afternoon84°feels 89°
Evening80°feels 83°
Overnight73°feels 74°
89 °
Saint Joe, Monday, 17 August
Light rain. High 89°, low 71°.
Pressure30.03 inHg
Wind9.7 mph NE
Humidity62%
Visibility—
Dew point68°
Tue, 1897° / 68°0.02
Morning75°feels 77°
Afternoon91°feels 96°
Evening85°feels 90°
Overnight77°feels 77°
97 °
Saint Joe, Tuesday, 18 August
Light rain. High 97°, low 68°.
Pressure29.94 inHg
Wind12.8 mph E
Humidity48%
Visibility—
Dew point66°
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 Saint Joe, IL 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.