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As of 11:06 CDT

Weather in Barnum, IA

48°Current weather

Barnum, Friday, 16 October, 11:06

Overcast. Feels like 42°. High 50°, low 38°.

Pressure30.45 inHg
Wind17.3 mph N
Humidity66%
Visibility6.2 mi
Dew point37°
Sat, 1756° / 33°0Clear
56 °Clear

Barnum, Saturday, 17 October

Clear. High 56°, low 33°.

Pressure30.47 inHg
Wind13.5 mph SW
Humidity44%
Visibility6.2 mi
Dew point30°
Sun, 1863° / 42°0Clear
63 °Clear

Barnum, Sunday, 18 October

Clear. High 63°, low 42°.

Pressure30.27 inHg
Wind15 mph S
Humidity55%
Visibility6.2 mi
Dew point40°
Mon, 1962° / 45°0Overcast
62 °Overcast

Barnum, Monday, 19 October

Overcast. High 62°, low 45°.

Pressure30.27 inHg
Wind10.3 mph S
Humidity62%
Visibility6.2 mi
Dew point45°
Tue, 2066° / 45°0Clear
66 °Clear

Barnum, Tuesday, 20 October

Clear. High 66°, low 45°.

Pressure30.24 inHg
Wind12.2 mph SE
Humidity52%
Visibility—
Dew point43°
Wed, 2170° / 50°0.19Rain
70 °Rain

Barnum, Wednesday, 21 October

Rain. High 70°, low 50°.

Pressure30.15 inHg
Wind9.8 mph S
Humidity52%
Visibility—
Dew point47°
Thu, 2269° / 53°0.02Light rain
69 °Light rain

Barnum, Thursday, 22 October

Light rain. High 69°, low 53°.

Pressure30.12 inHg
Wind10.8 mph N
Humidity57%
Visibility—
Dew point50°
Fri, 2366° / 47°0Partly cloudy
66 °Partly cloudy

Barnum, Friday, 23 October

Partly cloudy. High 66°, low 47°.

Pressure30.18 inHg
Wind16.6 mph SE
Humidity66%
Visibility—
Dew point49°
Sat, 2475° / 56°0Mostly clear
75 °Mostly clear

Barnum, Saturday, 24 October

Mostly clear. High 75°, low 56°.

Pressure30.03 inHg
Wind16.3 mph S
Humidity48%
Visibility—
Dew point50°
Sun, 2562° / 52°0.02Light rain
62 °Light rain

Barnum, Sunday, 25 October

Light rain. High 62°, low 52°.

Pressure30.12 inHg
Wind15.6 mph NE
Humidity64%
Visibility—
Dew point47°
Mon, 2659° / 41°0.02Light rain
59 °Light rain

Barnum, Monday, 26 October

Light rain. High 59°, low 41°.

Pressure30.06 inHg
Wind16 mph W
Humidity76%
Visibility—
Dew point44°
Tue, 2749° / 37°0.04Light rain
49 °Light rain

Barnum, Tuesday, 27 October

Light rain. High 49°, low 37°.

Pressure30.24 inHg
Wind11.1 mph NW
Humidity59%
Visibility—
Dew point32°
Wed, 2857° / 45°0.59Rain
57 °Rain

Barnum, Wednesday, 28 October

Rain. High 57°, low 45°.

Pressure29.88 inHg
Wind18.4 mph SE
Humidity82%
Visibility—
Dew point47°
Thu, 2963° / 52°0.02Light rain
63 °Light rain

Barnum, Thursday, 29 October

Light rain. High 63°, low 52°.

Pressure29.88 inHg
Wind13.9 mph S
Humidity59%
Visibility—
Dew point45°
Fri, 3054° / 44°0Overcast
54 °Overcast

Barnum, Friday, 30 October

Overcast. High 54°, low 44°.

Pressure30.18 inHg
Wind10.6 mph NE
Humidity65%
Visibility—
Dew point40°
Sat, 3148° / 47°0.55Rain
48 °Rain

Barnum, Saturday, 31 October

Rain. High 48°, low 47°.

Pressure30.12 inHg
Wind19.7 mph E
Humidity80%
Visibility—
Dew point42°

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.