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As of 15:51 CDT

Weather in Barnum, IA

83°Current weather

Barnum, Saturday, 8 August, 15:51

Partly cloudy. Feels like 83°. High 83°, low 57°.

Pressure29.94 inHg
Wind12.6 mph S
Humidity49%
Visibility6.2 mi
Dew point62°
Sun, 0990° / 68°0.12Rain
90 °Rain

Barnum, Sunday, 9 August

Rain. High 90°, low 68°.

Pressure29.74 inHg
Wind5.8 mph SW
Humidity36%
Visibility6.2 mi
Dew point62°
Mon, 1095° / 69°0Overcast
95 °Overcast

Barnum, Monday, 10 August

Overcast. High 95°, low 69°.

Pressure29.77 inHg
Wind11.3 mph E
Humidity64%
Visibility6.2 mi
Dew point68°
Tue, 1198° / 65°0.03Light rain
98 °Light rain

Barnum, Tuesday, 11 August

Light rain. High 98°, low 65°.

Pressure29.74 inHg
Wind6.9 mph N
Humidity36%
Visibility6.2 mi
Dew point61°
Wed, 1295° / 70°0.56Rain
95 °Rain

Barnum, Wednesday, 12 August

Rain. High 95°, low 70°.

Pressure29.85 inHg
Wind9.7 mph SE
Humidity39%
Visibility6.2 mi
Dew point62°
Thu, 1383° / 63°0.1Light rain
83 °Light rain

Barnum, Thursday, 13 August

Light rain. High 83°, low 63°.

Pressure29.97 inHg
Wind15 mph NE
Humidity36%
Visibility—
Dew point50°
Fri, 1483° / 56°0Clear
83 °Clear

Barnum, Friday, 14 August

Clear. High 83°, low 56°.

Pressure30.18 inHg
Wind10.2 mph S
Humidity30%
Visibility—
Dew point43°
Sat, 1584° / 57°0Overcast
84 °Overcast

Barnum, Saturday, 15 August

Overcast. High 84°, low 57°.

Pressure30.18 inHg
Wind14.2 mph S
Humidity37%
Visibility—
Dew point50°
Sun, 1691° / 65°0Partly cloudy
91 °Partly cloudy

Barnum, Sunday, 16 August

Partly cloudy. High 91°, low 65°.

Pressure30.00 inHg
Wind13.6 mph S
Humidity50%
Visibility—
Dew point63°
Mon, 1793° / 70°0.05Light rain
93 °Light rain

Barnum, Monday, 17 August

Light rain. High 93°, low 70°.

Pressure29.94 inHg
Wind13.9 mph N
Humidity45%
Visibility—
Dew point64°
Tue, 1896° / 68°0.02Light rain
96 °Light rain

Barnum, Tuesday, 18 August

Light rain. High 96°, low 68°.

Pressure29.97 inHg
Wind13.4 mph S
Humidity44%
Visibility—
Dew point63°
Wed, 1993° / 66°0.12Light rain
93 °Light rain

Barnum, Wednesday, 19 August

Light rain. High 93°, low 66°.

Pressure29.85 inHg
Wind17.4 mph NE
Humidity34%
Visibility—
Dew point57°
Thu, 2089° / 62°0.02Light rain
89 °Light rain

Barnum, Thursday, 20 August

Light rain. High 89°, low 62°.

Pressure29.94 inHg
Wind12.5 mph NE
Humidity36%
Visibility—
Dew point52°
Fri, 2192° / 62°0Clear
92 °Clear

Barnum, Friday, 21 August

Clear. High 92°, low 62°.

Pressure29.94 inHg
Wind14.5 mph S
Humidity28%
Visibility—
Dew point48°
Sat, 2276° / 59°0.08Light rain
76 °Light rain

Barnum, Saturday, 22 August

Light rain. High 76°, low 59°.

Pressure30.03 inHg
Wind17 mph NE
Humidity77%
Visibility—
Dew point60°
Sun, 2378° / 47°0Clear
78 °Clear

Barnum, Sunday, 23 August

Clear. High 78°, low 47°.

Pressure30.18 inHg
Wind10.9 mph E
Humidity21%
Visibility—
Dew point29°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Barnum, IA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Barnum, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.