10-day forecast for St. John, IN: 60° to 87°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Wednesday, August 12
87° · 0.31 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 64°0.1
Morning71°feels 71°
Afternoon87°feels 94°
Evening83°feels 90°
Overnight68°feels 68°
87 °
St. John, Sunday, 9 August
Rain. High 87°, low 64°.
Pressure29.97 inHg
Wind12.6 mph S
Humidity68%
Visibility6.2 mi
Dew point72°
Mon, 1087° / 72°0.31
Morning73°feels 74°
Afternoon87°feels 92°
Evening78°feels 80°
Overnight76°feels 77°
87 °
St. John, Monday, 10 August
Rain. High 87°, low 72°.
Pressure29.91 inHg
Wind6.8 mph SW
Humidity62%
Visibility6.2 mi
Dew point72°
Tue, 1182° / 72°0.18
Morning74°feels 76°
Afternoon78°feels 79°
Evening75°feels 77°
Overnight73°feels 75°
82 °
St. John, Tuesday, 11 August
Rain. High 82°, low 72°.
Pressure29.83 inHg
Wind10.1 mph W
Humidity81%
Visibility6.2 mi
Dew point71°
Wed, 1284° / 68°0
Morning72°feels 73°
Afternoon83°feels 85°
Evening71°feels 72°
Overnight69°feels 70°
84 °
St. John, Wednesday, 12 August
Partly cloudy. High 84°, low 68°.
Pressure29.85 inHg
Wind5.1 mph N
Humidity58%
Visibility6.2 mi
Dew point66°
Thu, 1376° / 62°0
Morning66°feels 66°
Afternoon74°feels 74°
Evening68°feels 68°
Overnight64°feels 64°
76 °
St. John, Thursday, 13 August
Overcast. High 76°, low 62°.
Pressure30.00 inHg
Wind5.9 mph E
Humidity57%
Visibility—
Dew point57°
Fri, 1478° / 60°0
Morning66°feels 66°
Afternoon77°feels 76°
Evening68°feels 68°
Overnight63°feels 63°
78 °
St. John, Friday, 14 August
Clear. High 78°, low 60°.
Pressure30.09 inHg
Wind8.1 mph NE
Humidity44%
Visibility—
Dew point52°
Sat, 1570° / 60°0.01
Morning62°feels 61°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight62°feels 61°
70 °
St. John, Saturday, 15 August
Light rain. High 70°, low 60°.
Pressure30.27 inHg
Wind6.4 mph SW
Humidity64%
Visibility—
Dew point54°
Sun, 1675° / 63°0
Morning66°feels 66°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight64°feels 64°
75 °
St. John, Sunday, 16 August
Overcast. High 75°, low 63°.
Pressure30.15 inHg
Wind4.9 mph S
Humidity60%
Visibility—
Dew point57°
Mon, 1782° / 64°0
Morning70°feels 70°
Afternoon80°feels 81°
Evening76°feels 76°
Overnight69°feels 69°
82 °
St. John, Monday, 17 August
Overcast. High 82°, low 64°.
Pressure30.03 inHg
Wind5.7 mph W
Humidity54%
Visibility—
Dew point60°
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 St. John, IN 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.