As of 05:04 CDT

Weather in Old Peru, IA

53°Current weather

Old Peru, Thursday, 22 October, 05:04

Clear. Feels like 52°. High 77°, low 53°.

Pressure30.21 inHg
Wind7.2 mph SW
Humidity85%
Visibility6.2 mi
Dew point48°

Monthly outlook for Old Peru, IA: average high 63.9°, average low 48.6°. That is 4.1° above the climate normal for October. Precipitation is expected on 2 days (about 1.8 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 22 October (76.6°), the coolest 5 November (35.2°).

63.9°/48.6°
Average high / low
+4.1°
Above normal
2 / 4
Wet days / normal
1.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
22 October – 31 October68.6°58.2°+5.8°
1 November – 10 November56°53°+1.7°
11 November – 20 Novemberat normal48.6°—

October records over 66 years

92.1°5 October 1963All-time high
10°29 October 1980All-time low

Climate normals and records are computed from the nearest reference point — Thayer (15 mi).

Fri, 2375° / 54°0Partly cloudy
75 °Partly cloudy

Old Peru, Friday, 23 October

Partly cloudy. High 75°, low 54°.

Pressure30.18 inHg
Wind9.9 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Sat, 2475° / 58°0Clear
75 °Clear

Old Peru, Saturday, 24 October

Clear. High 75°, low 58°.

Pressure30.21 inHg
Wind11.6 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Sun, 2575° / 55°0Overcast
75 °Overcast

Old Peru, Sunday, 25 October

Overcast. High 75°, low 55°.

Pressure30.33 inHg
Wind2.6 mph SW
Humidity61%
Visibility6.2 mi
Dew point56°
Mon, 2672° / 56°0Overcast
72 °Overcast

Old Peru, Monday, 26 October

Overcast. High 72°, low 56°.

Pressure30.30 inHg
Wind7.1 mph SE
Humidity55%
Visibility—
Dew point52°
Tue, 2769° / 55°0.01Light rain
69 °Light rain

Old Peru, Tuesday, 27 October

Light rain. High 69°, low 55°.

Pressure30.18 inHg
Wind11.5 mph S
Humidity54%
Visibility—
Dew point47°
Wed, 2861° / 44°0Partly cloudy
61 °Partly cloudy

Old Peru, Wednesday, 28 October

Partly cloudy. High 61°, low 44°.

Pressure30.18 inHg
Wind7.8 mph W
Humidity66%
Visibility—
Dew point45°
Thu, 2957° / 52°1.64Heavy rain
57 °Heavy rain

Old Peru, Thursday, 29 October

Heavy rain. High 57°, low 52°.

Pressure30.00 inHg
Wind10 mph SE
Humidity90%
Visibility—
Dew point51°
Fri, 3062° / 57°0.17Rain
62 °Rain

Old Peru, Friday, 30 October

Rain. High 62°, low 57°.

Pressure29.77 inHg
Wind9.2 mph SE
Humidity89%
Visibility—
Dew point58°
Sat, 3163° / 51°0Overcast
63 °Overcast

Old Peru, Saturday, 31 October

Overcast. High 63°, low 51°.

Pressure29.80 inHg
Wind7.7 mph W
Humidity61%
Visibility—
Dew point46°
Sun, 0162° / 47°0Clear
62 °Clear

Old Peru, Sunday, 1 November

Clear. High 62°, low 47°.

Pressure30.00 inHg
Wind10.3 mph N
Humidity45%
Visibility—
Dew point39°
Mon, 0256° / 43°0Mostly clear
56 °Mostly clear

Old Peru, Monday, 2 November

Mostly clear. High 56°, low 43°.

Pressure30.27 inHg
Wind11.3 mph NE
Humidity49%
Visibility—
Dew point35°
Tue, 0354° / 38°0Overcast
54 °Overcast

Old Peru, Tuesday, 3 November

Overcast. High 54°, low 38°.

Pressure30.42 inHg
Wind7.4 mph E
Humidity49%
Visibility—
Dew point32°
Wed, 0452° / 37°0Overcast
52 °Overcast

Old Peru, Wednesday, 4 November

Overcast. High 52°, low 37°.

Pressure30.42 inHg
Wind10.4 mph E
Humidity55%
Visibility—
Dew point33°
Thu, 0553° / 35°0Mostly clear
53 °Mostly clear

Old Peru, Thursday, 5 November

Mostly clear. High 53°, low 35°.

Pressure30.30 inHg
Wind9.7 mph NE
Humidity55%
Visibility—
Dew point33°
Fri, 0658° / 45°0Overcast
58 °Overcast

Old Peru, Friday, 6 November

Overcast. High 58°, low 45°.

Pressure30.21 inHg
Wind4.8 mph N
Humidity66%
Visibility—
Dew point43°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 0753° / 37°0.02Climate normal
53 °Climate normal

Old Peru, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high53°
Average low37°
Average precipitation0.02 in
Chance of precipitation8%
Record high72° (1966)
Record low-2° (1991)
Sun, 0853° / 37°0.03Climate normal
53 °Climate normal

Old Peru, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high53°
Average low37°
Average precipitation0.03 in
Chance of precipitation20%
Record high75° (1999)
Record low-8° (1991)
Mon, 0953° / 37°0.1Climate normal
53 °Climate normal

Old Peru, Monday, 9 November

Climate normal for this date — 60-year average.

Average high53°
Average low37°
Average precipitation0.1 in
Chance of precipitation32%
Record high72° (1999)
Record low14° (1991)
Tue, 1050° / 34°0.09Climate normal
50 °Climate normal

Old Peru, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high50°
Average low34°
Average precipitation0.09 in
Chance of precipitation22%
Record high74° (2012)
Record low12° (2018)
Wed, 1148° / 32°0.08Climate normal
48 °Climate normal

Old Peru, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high48°
Average low32°
Average precipitation0.08 in
Chance of precipitation22%
Record high73° (1964)
Record low10° (1986)
Thu, 1247° / 32°0.06Climate normal
47 °Climate normal

Old Peru, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high47°
Average low32°
Average precipitation0.06 in
Chance of precipitation25%
Record high68° (1999)
Record low3° (2019)
Fri, 1348° / 32°0.07Climate normal
48 °Climate normal

Old Peru, Friday, 13 November

Climate normal for this date — 60-year average.

Average high48°
Average low32°
Average precipitation0.07 in
Chance of precipitation20%
Record high75° (1999)
Record low5° (1986)
Sat, 1449° / 34°0.03Climate normal
49 °Climate normal

Old Peru, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.03 in
Chance of precipitation23%
Record high72° (2025)
Record low13° (2014)
Sun, 1549° / 34°0.05Climate normal
49 °Climate normal

Old Peru, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.05 in
Chance of precipitation18%
Record high70° (2001)
Record low0° (1972)
Mon, 1649° / 33°0.04Climate normal
49 °Climate normal

Old Peru, Monday, 16 November

Climate normal for this date — 60-year average.

Average high49°
Average low33°
Average precipitation0.04 in
Chance of precipitation12%
Record high70° (2001)
Record low15° (1997)
Tue, 1750° / 34°0.11Climate normal
50 °Climate normal

Old Peru, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high50°
Average low34°
Average precipitation0.11 in
Chance of precipitation25%
Record high72° (2016)
Record low7° (2005)
Wed, 1849° / 34°0.05Climate normal
49 °Climate normal

Old Peru, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high49°
Average low34°
Average precipitation0.05 in
Chance of precipitation25%
Record high71° (1999)
Record low8° (1961)
Thu, 1949° / 33°0.07Climate normal
49 °Climate normal

Old Peru, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high49°
Average low33°
Average precipitation0.07 in
Chance of precipitation23%
Record high68° (2007)
Record low16° (1961)
Fri, 2047° / 32°0.07Climate normal
47 °Climate normal

Old Peru, Friday, 20 November

Climate normal for this date — 60-year average.

Average high47°
Average low32°
Average precipitation0.07 in
Chance of precipitation23%
Record high65° (1990)
Record low13° (1985)

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.