10-day forecast for Garrison, IA: 58° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Sunday, August 9
68° · 0.1 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0990° / 68°0.01
Morning72°feels 73°
Afternoon87°feels 94°
Evening82°feels 90°
Overnight69°feels 70°
90 °
Garrison, Sunday, 9 August
Light rain. High 90°, low 68°.
Pressure29.85 inHg
Wind4.7 mph W
Humidity63%
Visibility6.2 mi
Dew point71°
Mon, 1089° / 71°0
Morning73°feels 75°
Afternoon87°feels 92°
Evening78°feels 80°
Overnight74°feels 76°
89 °
Garrison, Monday, 10 August
Overcast. High 89°, low 71°.
Pressure29.85 inHg
Wind4.1 mph E
Humidity65%
Visibility6.2 mi
Dew point71°
Tue, 1186° / 70°0
Morning73°feels 74°
Afternoon85°feels 91°
Evening77°feels 79°
Overnight71°feels 71°
86 °
Garrison, Tuesday, 11 August
Overcast. High 86°, low 70°.
Pressure29.77 inHg
Wind7.6 mph N
Humidity64%
Visibility6.2 mi
Dew point71°
Wed, 1282° / 67°0
Morning72°feels 73°
Afternoon81°feels 83°
Evening72°feels 72°
Overnight70°feels 71°
82 °
Garrison, Wednesday, 12 August
Overcast. High 82°, low 67°.
Pressure29.91 inHg
Wind6.7 mph NE
Humidity72%
Visibility6.2 mi
Dew point67°
Thu, 1368° / 61°0.1
Morning63°feels 63°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight64°feels 64°
68 °
Garrison, Thursday, 13 August
Light rain. High 68°, low 61°.
Pressure30.00 inHg
Wind9.8 mph NE
Humidity91%
Visibility—
Dew point63°
Fri, 1477° / 59°0
Morning64°feels 64°
Afternoon76°feels 76°
Evening71°feels 71°
Overnight65°feels 65°
77 °
Garrison, Friday, 14 August
Overcast. High 77°, low 59°.
Pressure30.12 inHg
Wind7.7 mph E
Humidity55%
Visibility—
Dew point57°
Sat, 1566° / 58°0.08
Morning63°feels 63°
Afternoon59°feels 59°
Evening58°feels 58°
Overnight60°feels 60°
66 °
Garrison, Saturday, 15 August
Light rain. High 66°, low 58°.
Pressure30.27 inHg
Wind11.7 mph E
Humidity91%
Visibility—
Dew point58°
Sun, 1673° / 59°0.01
Morning62°feels 62°
Afternoon65°feels 66°
Evening68°feels 69°
Overnight63°feels 64°
73 °
Garrison, Sunday, 16 August
Light rain. High 73°, low 59°.
Pressure30.15 inHg
Wind5.5 mph E
Humidity86%
Visibility—
Dew point60°
Mon, 1783° / 63°0
Morning68°feels 69°
Afternoon81°feels 83°
Evening78°feels 78°
Overnight69°feels 69°
83 °
Garrison, Monday, 17 August
Clear. High 83°, low 63°.
Pressure30.03 inHg
Wind7.3 mph SE
Humidity64%
Visibility—
Dew point65°
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 Garrison, IA 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.