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As of 05:36 CDT

Weather in Plymouth, IA

65°Current weather

Plymouth, Sunday, 9 August, 05:36

Heavy rain. Feels like 66°. High 82°, low 65°.

Pressure29.88 inHg
Wind7 mph SE
Humidity93%
Visibility6.2 mi
Dew point63°
Mon, 1082° / 68°0.02Light rain
82 °Light rain

Plymouth, Monday, 10 August

Light rain. High 82°, low 68°.

Pressure29.88 inHg
Wind10.8 mph SE
Humidity74%
Visibility6.2 mi
Dew point69°
Tue, 1184° / 69°0.09Rain
84 °Rain

Plymouth, Tuesday, 11 August

Rain. High 84°, low 69°.

Pressure29.80 inHg
Wind4.9 mph NE
Humidity76%
Visibility6.2 mi
Dew point72°
Wed, 1279° / 64°0Partly cloudy
79 °Partly cloudy

Plymouth, Wednesday, 12 August

Partly cloudy. High 79°, low 64°.

Pressure29.91 inHg
Wind7.2 mph E
Humidity59%
Visibility6.2 mi
Dew point62°
Thu, 1366° / 59°0.07Light rain
66 °Light rain

Plymouth, Thursday, 13 August

Light rain. High 66°, low 59°.

Pressure30.06 inHg
Wind10 mph E
Humidity87%
Visibility—
Dew point59°
Fri, 1472° / 55°0Overcast
72 °Overcast

Plymouth, Friday, 14 August

Overcast. High 72°, low 55°.

Pressure30.15 inHg
Wind11.5 mph E
Humidity59%
Visibility—
Dew point55°
Sat, 1566° / 59°0Overcast
66 °Overcast

Plymouth, Saturday, 15 August

Overcast. High 66°, low 59°.

Pressure30.18 inHg
Wind10.9 mph SE
Humidity75%
Visibility—
Dew point57°
Sun, 1681° / 62°0Overcast
81 °Overcast

Plymouth, Sunday, 16 August

Overcast. High 81°, low 62°.

Pressure30.09 inHg
Wind7.6 mph N
Humidity72%
Visibility—
Dew point65°
Mon, 1779° / 58°0Overcast
79 °Overcast

Plymouth, Monday, 17 August

Overcast. High 79°, low 58°.

Pressure30.09 inHg
Wind8.4 mph SE
Humidity57%
Visibility—
Dew point58°
Tue, 1886° / 63°0.04Light rain
86 °Light rain

Plymouth, Tuesday, 18 August

Light rain. High 86°, low 63°.

Pressure29.91 inHg
Wind14.4 mph S
Humidity76%
Visibility—
Dew point70°
Wed, 1988° / 68°0Overcast
88 °Overcast

Plymouth, Wednesday, 19 August

Overcast. High 88°, low 68°.

Pressure29.80 inHg
Wind10.7 mph SE
Humidity66%
Visibility—
Dew point71°
Thu, 2089° / 71°0Mostly clear
89 °Mostly clear

Plymouth, Thursday, 20 August

Mostly clear. High 89°, low 71°.

Pressure29.80 inHg
Wind12.2 mph N
Humidity59%
Visibility—
Dew point70°
Fri, 2180° / 64°0Overcast
80 °Overcast

Plymouth, Friday, 21 August

Overcast. High 80°, low 64°.

Pressure29.97 inHg
Wind8.7 mph E
Humidity61%
Visibility—
Dew point62°
Sat, 2295° / 68°0Light rain
95 °Light rain

Plymouth, Saturday, 22 August

Light rain. High 95°, low 68°.

Pressure29.77 inHg
Wind17.4 mph SE
Humidity61%
Visibility—
Dew point67°
Sun, 2382° / 69°0.15Rain
82 °Rain

Plymouth, Sunday, 23 August

Rain. High 82°, low 69°.

Pressure29.88 inHg
Wind12 mph NE
Humidity68%
Visibility—
Dew point68°
Mon, 2475° / 63°0.24Rain
75 °Rain

Plymouth, Monday, 24 August

Rain. High 75°, low 63°.

Pressure30.03 inHg
Wind11.1 mph E
Humidity91%
Visibility—
Dew point68°

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 Plymouth, 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 Plymouth, 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.