10-day forecast for Perth, IN: 59° to 92°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Sunday, August 9
84° · 0.84 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0992° / 72°0
Morning74°feels 76°
Afternoon89°feels 101°
Evening88°feels 100°
Overnight75°feels 76°
92 °
Perth, Sunday, 9 August
Partly cloudy. High 92°, low 72°.
Pressure30.03 inHg
Wind10.2 mph SW
Humidity76%
Visibility6.2 mi
Dew point74°
Mon, 1091° / 77°0
Morning77°feels 79°
Afternoon91°feels 103°
Evening83°feels 92°
Overnight82°feels 87°
91 °
Perth, Monday, 10 August
Overcast. High 91°, low 77°.
Pressure30.00 inHg
Wind11.8 mph SW
Humidity72%
Visibility6.2 mi
Dew point74°
Tue, 1190° / 72°0.07
Morning72°feels 74°
Afternoon82°feels 89°
Evening84°feels 94°
Overnight81°feels 84°
90 °
Perth, Tuesday, 11 August
Light rain. High 90°, low 72°.
Pressure29.88 inHg
Wind11.8 mph S
Humidity73%
Visibility6.2 mi
Dew point73°
Wed, 1284° / 72°0.84
Morning74°feels 76°
Afternoon84°feels 92°
Evening73°feels 74°
Overnight83°feels 87°
84 °
Perth, Wednesday, 12 August
Heavy rain. High 84°, low 72°.
Pressure29.83 inHg
Wind4.9 mph N
Humidity81%
Visibility6.2 mi
Dew point75°
Thu, 1380° / 66°0.43
Morning71°feels 72°
Afternoon78°feels 81°
Evening68°feels 69°
Overnight67°feels 68°
80 °
Perth, Thursday, 13 August
Rain. High 80°, low 66°.
Pressure29.97 inHg
Wind9.2 mph NE
Humidity63%
Visibility—
Dew point65°
Fri, 1477° / 66°0.24
Morning68°feels 69°
Afternoon74°feels 75°
Evening72°feels 73°
Overnight66°feels 66°
77 °
Perth, Friday, 14 August
Rain. High 77°, low 66°.
Pressure30.09 inHg
Wind8.4 mph NE
Humidity71%
Visibility—
Dew point64°
Sat, 1571° / 59°0.08
Morning62°feels 62°
Afternoon67°feels 67°
Evening66°feels 67°
Overnight64°feels 63°
71 °
Perth, Saturday, 15 August
Light rain. High 71°, low 59°.
Pressure30.30 inHg
Wind9.4 mph E
Humidity91%
Visibility—
Dew point63°
Sun, 1673° / 60°0.01
Morning66°feels 66°
Afternoon73°feels 73°
Evening73°feels 74°
Overnight70°feels 71°
73 °
Perth, Sunday, 16 August
Light rain. High 73°, low 60°.
Pressure30.09 inHg
Wind8.4 mph SE
Humidity77%
Visibility—
Dew point64°
Mon, 1776° / 66°0.04
Morning68°feels 69°
Afternoon72°feels 73°
Evening73°feels 74°
Overnight71°feels 71°
76 °
Perth, Monday, 17 August
Light rain. High 76°, low 66°.
Pressure30.06 inHg
Wind4.7 mph N
Humidity91%
Visibility—
Dew point68°
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 Perth, 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.