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As of 10:38 CDT

Weather in Barnum, IA

57°Current weather

Barnum, Tuesday, 13 October, 10:38

Overcast. Feels like 56°. High 67°, low 53°.

Pressure29.97 inHg
Wind5.7 mph NW
Humidity72%
Visibility6.2 mi
Dew point48°
Wed, 1466° / 46°0Clear
66 °Clear

Barnum, Wednesday, 14 October

Clear. High 66°, low 46°.

Pressure30.18 inHg
Wind7.9 mph NE
Humidity61%
Visibility6.2 mi
Dew point45°
Thu, 1556° / 49°0.74Rain
56 °Rain

Barnum, Thursday, 15 October

Rain. High 56°, low 49°.

Pressure30.03 inHg
Wind8.1 mph N
Humidity96%
Visibility1.1 mi
Dew point55°
Fri, 1653° / 43°0Partly cloudy
53 °Partly cloudy

Barnum, Friday, 16 October

Partly cloudy. High 53°, low 43°.

Pressure30.50 inHg
Wind21.8 mph N
Humidity52%
Visibility6.2 mi
Dew point33°
Sat, 1759° / 36°0Clear
59 °Clear

Barnum, Saturday, 17 October

Clear. High 59°, low 36°.

Pressure30.39 inHg
Wind15.5 mph S
Humidity42%
Visibility—
Dew point31°
Sun, 1862° / 46°0Overcast
62 °Overcast

Barnum, Sunday, 18 October

Overcast. High 62°, low 46°.

Pressure30.09 inHg
Wind15.1 mph S
Humidity50%
Visibility—
Dew point40°
Mon, 1962° / 48°0Overcast
62 °Overcast

Barnum, Monday, 19 October

Overcast. High 62°, low 48°.

Pressure30.21 inHg
Wind8.3 mph NE
Humidity28%
Visibility—
Dew point26°
Tue, 2059° / 46°0Overcast
59 °Overcast

Barnum, Tuesday, 20 October

Overcast. High 59°, low 46°.

Pressure30.15 inHg
Wind13.5 mph SE
Humidity88%
Visibility—
Dew point52°
Wed, 2168° / 56°0.13Light rain
68 °Light rain

Barnum, Wednesday, 21 October

Light rain. High 68°, low 56°.

Pressure30.00 inHg
Wind16.2 mph S
Humidity87%
Visibility—
Dew point61°
Thu, 2270° / 63°1.69Heavy rain
70 °Heavy rain

Barnum, Thursday, 22 October

Heavy rain. High 70°, low 63°.

Pressure29.80 inHg
Wind18.1 mph S
Humidity95%
Visibility—
Dew point65°
Fri, 2365° / 47°0.79Rain
65 °Rain

Barnum, Friday, 23 October

Rain. High 65°, low 47°.

Pressure29.88 inHg
Wind21.2 mph W
Humidity66%
Visibility—
Dew point46°
Sat, 2457° / 43°0Clear
57 °Clear

Barnum, Saturday, 24 October

Clear. High 57°, low 43°.

Pressure30.36 inHg
Wind13.4 mph W
Humidity54%
Visibility—
Dew point37°
Sun, 2562° / 42°0Clear
62 °Clear

Barnum, Sunday, 25 October

Clear. High 62°, low 42°.

Pressure30.18 inHg
Wind15.4 mph SW
Humidity42%
Visibility—
Dew point34°
Mon, 2650° / 40°0Clear
50 °Clear

Barnum, Monday, 26 October

Clear. High 50°, low 40°.

Pressure30.36 inHg
Wind14.7 mph NW
Humidity51%
Visibility—
Dew point29°
Tue, 2750° / 39°0Light rain
50 °Light rain

Barnum, Tuesday, 27 October

Light rain. High 50°, low 39°.

Pressure30.18 inHg
Wind15.5 mph S
Humidity62%
Visibility—
Dew point34°
Wed, 2854° / 46°0.01Light rain
54 °Light rain

Barnum, Wednesday, 28 October

Light rain. High 54°, low 46°.

Pressure29.85 inHg
Wind15.5 mph S
Humidity83%
Visibility—
Dew point47°

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.