10-day forecast for Barnum, IA: 59° to 103°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
103°
Best day: Tuesday, August 18
68°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1097° / 70°0
Morning71°feels 72°
Afternoon96°feels 97°
Evening85°feels 86°
Overnight74°feels 76°
97 °
Barnum, Monday, 10 August
Overcast. High 97°, low 70°.
Pressure29.83 inHg
Wind9.6 mph SE
Humidity50%
Visibility6.2 mi
Dew point69°
Tue, 1198° / 66°0.03
Morning69°feels 70°
Afternoon95°feels 95°
Evening86°feels 87°
Overnight69°feels 70°
98 °
Barnum, Tuesday, 11 August
Light rain. High 98°, low 66°.
Pressure29.77 inHg
Wind10.4 mph NE
Humidity34%
Visibility6.2 mi
Dew point61°
Wed, 1293° / 68°0.01
Morning69°feels 70°
Afternoon92°feels 90°
Evening80°feels 80°
Overnight69°feels 70°
93 °
Barnum, Wednesday, 12 August
Light rain. High 93°, low 68°.
Pressure29.88 inHg
Wind8 mph E
Humidity42%
Visibility6.2 mi
Dew point61°
Thu, 1370° / 61°0.03
Morning63°feels 62°
Afternoon64°feels 64°
Evening66°feels 66°
Overnight62°feels 62°
70 °
Barnum, Thursday, 13 August
Light rain. High 70°, low 61°.
Pressure30.00 inHg
Wind9.6 mph NE
Humidity94%
Visibility—
Dew point61°
Fri, 1484° / 59°0
Morning67°feels 66°
Afternoon83°feels 81°
Evening76°feels 75°
Overnight67°feels 67°
84 °
Barnum, Friday, 14 August
Overcast. High 84°, low 59°.
Pressure30.09 inHg
Wind11.5 mph SE
Humidity29%
Visibility—
Dew point45°
Sat, 1568° / 59°0.02
Morning66°feels 65°
Afternoon63°feels 63°
Evening60°feels 59°
Overnight60°feels 60°
68 °
Barnum, Saturday, 15 August
Light rain. High 68°, low 59°.
Pressure30.21 inHg
Wind14.7 mph E
Humidity83%
Visibility—
Dew point59°
Sun, 1682° / 60°0.02
Morning67°feels 67°
Afternoon80°feels 81°
Evening74°feels 75°
Overnight68°feels 69°
82 °
Barnum, Sunday, 16 August
Light rain. High 82°, low 60°.
Pressure30.09 inHg
Wind9 mph SW
Humidity50%
Visibility—
Dew point58°
Mon, 1793° / 65°0
Morning72°feels 73°
Afternoon89°feels 89°
Evening85°feels 85°
Overnight73°feels 74°
93 °
Barnum, Monday, 17 August
Clear. High 93°, low 65°.
Pressure30.00 inHg
Wind13.5 mph S
Humidity38%
Visibility—
Dew point58°
Tue, 18103° / 69°0.03
Morning76°feels 78°
Afternoon96°feels 96°
Evening96°feels 93°
Overnight76°feels 76°
103 °
Barnum, Tuesday, 18 August
Light rain. High 103°, low 69°.
Pressure29.91 inHg
Wind12.8 mph W
Humidity34%
Visibility—
Dew point59°
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 Barnum, 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.