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As of 05:48 CDT

Weather in Barnum, IA

30°Current weather

Barnum, Saturday, 17 October, 05:48

Clear. Feels like 30°. High 57°, low 30°.

Pressure30.53 inHg
Wind0 mph N
Humidity93%
Visibility6.2 mi
Dew point28°
Sun, 1863° / 42°0Clear
63 °Clear

Barnum, Sunday, 18 October

Clear. High 63°, low 42°.

Pressure30.24 inHg
Wind14.5 mph S
Humidity55%
Visibility6.2 mi
Dew point40°
Mon, 1963° / 46°0Overcast
63 °Overcast

Barnum, Monday, 19 October

Overcast. High 63°, low 46°.

Pressure30.27 inHg
Wind9.1 mph S
Humidity66%
Visibility6.2 mi
Dew point47°
Tue, 2067° / 46°0.02Light rain
67 °Light rain

Barnum, Tuesday, 20 October

Light rain. High 67°, low 46°.

Pressure30.27 inHg
Wind9.4 mph S
Humidity59%
Visibility6.2 mi
Dew point48°
Wed, 2170° / 52°0Clear
70 °Clear

Barnum, Wednesday, 21 October

Clear. High 70°, low 52°.

Pressure30.15 inHg
Wind8.6 mph S
Humidity55%
Visibility—
Dew point49°
Thu, 2272° / 50°0Mostly clear
72 °Mostly clear

Barnum, Thursday, 22 October

Mostly clear. High 72°, low 50°.

Pressure30.18 inHg
Wind8.8 mph S
Humidity59%
Visibility—
Dew point52°
Fri, 2374° / 60°0.03Light rain
74 °Light rain

Barnum, Friday, 23 October

Light rain. High 74°, low 60°.

Pressure29.94 inHg
Wind20.5 mph S
Humidity51%
Visibility—
Dew point53°
Sat, 2474° / 61°0.13Light rain
74 °Light rain

Barnum, Saturday, 24 October

Light rain. High 74°, low 61°.

Pressure29.97 inHg
Wind17.3 mph S
Humidity45%
Visibility—
Dew point47°
Sun, 2558° / 44°0.13Light rain
58 °Light rain

Barnum, Sunday, 25 October

Light rain. High 58°, low 44°.

Pressure30.12 inHg
Wind16 mph NW
Humidity65%
Visibility—
Dew point38°
Mon, 2648° / 36°0Clear
48 °Clear

Barnum, Monday, 26 October

Clear. High 48°, low 36°.

Pressure30.33 inHg
Wind13.2 mph N
Humidity41%
Visibility—
Dew point22°
Tue, 2749° / 35°0.3Rain
49 °Rain

Barnum, Tuesday, 27 October

Rain. High 49°, low 35°.

Pressure30.27 inHg
Wind17.9 mph SE
Humidity42%
Visibility—
Dew point24°
Wed, 2859° / 46°0.32Rain
59 °Rain

Barnum, Wednesday, 28 October

Rain. High 59°, low 46°.

Pressure29.74 inHg
Wind25.8 mph W
Humidity89%
Visibility—
Dew point52°
Thu, 2960° / 46°0Clear
60 °Clear

Barnum, Thursday, 29 October

Clear. High 60°, low 46°.

Pressure30.09 inHg
Wind28.6 mph W
Humidity46%
Visibility—
Dew point36°
Fri, 3060° / 49°0.23Light rain
60 °Light rain

Barnum, Friday, 30 October

Light rain. High 60°, low 49°.

Pressure29.74 inHg
Wind18.3 mph S
Humidity70%
Visibility—
Dew point46°
Sat, 3169° / 43°1.48Heavy rain
69 °Heavy rain

Barnum, Saturday, 31 October

Heavy rain. High 69°, low 43°.

Pressure29.26 inHg
Wind22.8 mph S
Humidity88%
Visibility—
Dew point63°
Sun, 0150° / 42°0Clear
50 °Clear

Barnum, Sunday, 1 November

Clear. High 50°, low 42°.

Pressure29.97 inHg
Wind19.6 mph NW
Humidity59%
Visibility—
Dew point35°

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.