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As of 18:52 CDT

Weather in Old Peru, IA

77°Current weather

Old Peru, Saturday, 8 August, 18:52

Overcast. Feels like 78°. High 81°, low 61°.

Pressure29.91 inHg
Wind6.7 mph SE
Humidity74%
Visibility6.2 mi
Dew point68°
Sun, 0994° / 70°0.01Light rain
94 °Light rain

Old Peru, Sunday, 9 August

Light rain. High 94°, low 70°.

Pressure29.77 inHg
Wind15.6 mph S
Humidity58%
Visibility6.2 mi
Dew point69°
Mon, 1089° / 68°0.07Light rain
89 °Light rain

Old Peru, Monday, 10 August

Light rain. High 89°, low 68°.

Pressure29.85 inHg
Wind9 mph W
Humidity54%
Visibility6.2 mi
Dew point67°
Tue, 1193° / 70°0.03Light rain
93 °Light rain

Old Peru, Tuesday, 11 August

Light rain. High 93°, low 70°.

Pressure29.74 inHg
Wind13.4 mph W
Humidity50%
Visibility6.2 mi
Dew point68°
Wed, 1289° / 71°0.18Rain
89 °Rain

Old Peru, Wednesday, 12 August

Rain. High 89°, low 71°.

Pressure29.85 inHg
Wind14.7 mph SE
Humidity64%
Visibility6.2 mi
Dew point71°
Thu, 1374° / 65°0.63Rain
74 °Rain

Old Peru, Thursday, 13 August

Rain. High 74°, low 65°.

Pressure29.94 inHg
Wind11.7 mph NE
Humidity90%
Visibility—
Dew point67°
Fri, 1477° / 56°0Overcast
77 °Overcast

Old Peru, Friday, 14 August

Overcast. High 77°, low 56°.

Pressure30.21 inHg
Wind7.5 mph SE
Humidity52%
Visibility—
Dew point54°
Sat, 1579° / 58°0Overcast
79 °Overcast

Old Peru, Saturday, 15 August

Overcast. High 79°, low 58°.

Pressure30.21 inHg
Wind12.8 mph SE
Humidity58%
Visibility—
Dew point58°
Sun, 1683° / 64°0.01Light rain
83 °Light rain

Old Peru, Sunday, 16 August

Light rain. High 83°, low 64°.

Pressure30.06 inHg
Wind9.6 mph SE
Humidity86%
Visibility—
Dew point68°
Mon, 1793° / 69°0.21Rain
93 °Rain

Old Peru, Monday, 17 August

Rain. High 93°, low 69°.

Pressure29.94 inHg
Wind10.8 mph W
Humidity56%
Visibility—
Dew point68°
Tue, 1887° / 69°0Overcast
87 °Overcast

Old Peru, Tuesday, 18 August

Overcast. High 87°, low 69°.

Pressure30.00 inHg
Wind7.8 mph S
Humidity67%
Visibility—
Dew point69°
Wed, 1991° / 70°0.13Rain
91 °Rain

Old Peru, Wednesday, 19 August

Rain. High 91°, low 70°.

Pressure29.88 inHg
Wind16.4 mph NE
Humidity51%
Visibility—
Dew point66°
Thu, 2084° / 65°0.06Light rain
84 °Light rain

Old Peru, Thursday, 20 August

Light rain. High 84°, low 65°.

Pressure29.94 inHg
Wind11.2 mph NE
Humidity57%
Visibility—
Dew point62°
Fri, 2183° / 62°0Partly cloudy
83 °Partly cloudy

Old Peru, Friday, 21 August

Partly cloudy. High 83°, low 62°.

Pressure29.97 inHg
Wind7.3 mph SW
Humidity48%
Visibility—
Dew point57°
Sat, 2283° / 66°0.09Light rain
83 °Light rain

Old Peru, Saturday, 22 August

Light rain. High 83°, low 66°.

Pressure29.94 inHg
Wind19.1 mph NE
Humidity54%
Visibility—
Dew point63°
Sun, 2373° / 53°0Mostly clear
73 °Mostly clear

Old Peru, Sunday, 23 August

Mostly clear. High 73°, low 53°.

Pressure30.18 inHg
Wind12.4 mph E
Humidity42%
Visibility—
Dew point44°

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 Old Peru, 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 Old Peru, 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.