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As of 20:23 CDT

Weather in Peterson, IA

74°Current weather

Peterson, Saturday, 8 August, 20:23

Partly cloudy. Feels like 75°. High 79°, low 56°.

Pressure29.88 inHg
Wind16.1 mph SE
Humidity73%
Visibility6.2 mi
Dew point65°
Sun, 0987° / 66°0Clear
87 °Clear

Peterson, Sunday, 9 August

Clear. High 87°, low 66°.

Pressure29.74 inHg
Wind6.4 mph W
Humidity36%
Visibility6.2 mi
Dew point63°
Mon, 10102° / 67°0Overcast
102 °Overcast

Peterson, Monday, 10 August

Overcast. High 102°, low 67°.

Pressure29.80 inHg
Wind12.4 mph E
Humidity53%
Visibility6.2 mi
Dew point68°
Tue, 1197° / 66°0.03Light rain
97 °Light rain

Peterson, Tuesday, 11 August

Light rain. High 97°, low 66°.

Pressure29.77 inHg
Wind11.1 mph NE
Humidity37%
Visibility6.2 mi
Dew point62°
Wed, 1296° / 68°0Overcast
96 °Overcast

Peterson, Wednesday, 12 August

Overcast. High 96°, low 68°.

Pressure29.88 inHg
Wind11.8 mph E
Humidity29%
Visibility6.2 mi
Dew point53°
Thu, 1380° / 62°0.03Light rain
80 °Light rain

Peterson, Thursday, 13 August

Light rain. High 80°, low 62°.

Pressure30.00 inHg
Wind11.5 mph E
Humidity77%
Visibility—
Dew point60°
Fri, 1488° / 58°0Overcast
88 °Overcast

Peterson, Friday, 14 August

Overcast. High 88°, low 58°.

Pressure30.09 inHg
Wind15 mph S
Humidity29%
Visibility—
Dew point45°
Sat, 1566° / 61°0.09Light rain
66 °Light rain

Peterson, Saturday, 15 August

Light rain. High 66°, low 61°.

Pressure30.18 inHg
Wind12.5 mph SE
Humidity78%
Visibility—
Dew point59°
Sun, 1687° / 60°0Overcast
87 °Overcast

Peterson, Sunday, 16 August

Overcast. High 87°, low 60°.

Pressure30.09 inHg
Wind10.4 mph S
Humidity53%
Visibility—
Dew point59°
Mon, 1795° / 64°0Mostly clear
95 °Mostly clear

Peterson, Monday, 17 August

Mostly clear. High 95°, low 64°.

Pressure30.00 inHg
Wind13.6 mph W
Humidity33%
Visibility—
Dew point54°
Tue, 18101° / 68°0Clear
101 °Clear

Peterson, Tuesday, 18 August

Clear. High 101°, low 68°.

Pressure29.91 inHg
Wind10.4 mph W
Humidity27%
Visibility—
Dew point53°
Wed, 1984° / 59°0.06Light rain
84 °Light rain

Peterson, Wednesday, 19 August

Light rain. High 84°, low 59°.

Pressure30.06 inHg
Wind17.4 mph NE
Humidity33%
Visibility—
Dew point45°
Thu, 2067° / 55°0.06Light rain
67 °Light rain

Peterson, Thursday, 20 August

Light rain. High 67°, low 55°.

Pressure30.18 inHg
Wind7.3 mph SE
Humidity91%
Visibility—
Dew point55°
Fri, 2183° / 51°0Overcast
83 °Overcast

Peterson, Friday, 21 August

Overcast. High 83°, low 51°.

Pressure30.00 inHg
Wind17.4 mph SE
Humidity33%
Visibility—
Dew point43°
Sat, 2294° / 58°0.04Light rain
94 °Light rain

Peterson, Saturday, 22 August

Light rain. High 94°, low 58°.

Pressure29.77 inHg
Wind18 mph NW
Humidity28%
Visibility—
Dew point48°
Sun, 2393° / 61°0Clear
93 °Clear

Peterson, Sunday, 23 August

Clear. High 93°, low 61°.

Pressure29.94 inHg
Wind9.5 mph E
Humidity18%
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 Peterson, 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 Peterson, 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.