10-day forecast for Charter Oak, IA: 60° to 105°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
105°
Best day: Tuesday, August 11
73° · 0.54 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 72°0
Morning72°feels 72°
Afternoon77°feels 76°
Evening87°feels 88°
Overnight78°feels 80°
88 °
Charter Oak, Monday, 10 August
Light rain. High 88°, low 72°.
Pressure29.83 inHg
Wind16.9 mph SE
Humidity37%
Visibility6.2 mi
Dew point62°
Tue, 11105° / 72°0
Morning79°feels 79°
Afternoon104°feels 102°
Evening93°feels 93°
Overnight72°feels 72°
105 °
Charter Oak, Tuesday, 11 August
Mostly clear. High 105°, low 72°.
Pressure29.71 inHg
Wind1.3 mph NW
Humidity22%
Visibility6.2 mi
Dew point55°
Wed, 1294° / 72°0.07
Morning69°feels 70°
Afternoon93°feels 93°
Evening87°feels 86°
Overnight74°feels 75°
94 °
Charter Oak, Wednesday, 12 August
Light rain. High 94°, low 72°.
Pressure29.85 inHg
Wind10.8 mph E
Humidity50%
Visibility6.2 mi
Dew point64°
Thu, 1373° / 61°0.54
Morning67°feels 67°
Afternoon67°feels 68°
Evening62°feels 62°
Overnight68°feels 69°
73 °
Charter Oak, Thursday, 13 August
Rain. High 73°, low 61°.
Pressure30.03 inHg
Wind18.3 mph NE
Humidity83%
Visibility—
Dew point63°
Fri, 1465° / 61°0.14
Morning62°feels 62°
Afternoon63°feels 64°
Evening65°feels 65°
Overnight62°feels 62°
65 °
Charter Oak, Friday, 14 August
Light rain. High 65°, low 61°.
Pressure30.12 inHg
Wind13.8 mph E
Humidity94%
Visibility—
Dew point61°
Sat, 1570° / 60°0.01
Morning64°feels 64°
Afternoon70°feels 70°
Evening69°feels 70°
Overnight64°feels 65°
70 °
Charter Oak, Saturday, 15 August
Light rain. High 70°, low 60°.
Pressure30.12 inHg
Wind9.4 mph E
Humidity80%
Visibility—
Dew point62°
Sun, 1686° / 63°0
Morning69°feels 69°
Afternoon82°feels 84°
Evening82°feels 83°
Overnight70°feels 70°
86 °
Charter Oak, Sunday, 16 August
Overcast. High 86°, low 63°.
Pressure30.12 inHg
Wind7.3 mph N
Humidity54%
Visibility—
Dew point61°
Mon, 1789° / 66°0
Morning73°feels 73°
Afternoon87°feels 88°
Evening82°feels 84°
Overnight71°feels 72°
89 °
Charter Oak, Monday, 17 August
Overcast. High 89°, low 66°.
Pressure30.03 inHg
Wind13.5 mph S
Humidity41%
Visibility—
Dew point58°
Tue, 1898° / 67°0
Morning74°feels 75°
Afternoon92°feels 95°
Evening93°feels 94°
Overnight76°feels 76°
98 °
Charter Oak, Tuesday, 18 August
Overcast. High 98°, low 67°.
Pressure29.83 inHg
Wind15.5 mph SE
Humidity45%
Visibility—
Dew point64°
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 Charter Oak, 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.