As of 17:44 CDT

Weather in St. Charles, IA

51°Current weather

St. Charles, Friday, 16 October, 17:44

Partly cloudy. Feels like 49°. High 51°, low 39°.

Pressure30.47 inHg
Wind11.3 mph N
Humidity68%
Visibility6.2 mi
Dew point41°
Sat, 1756° / 34°0Clear
56 °Clear

St. Charles, Saturday, 17 October

Clear. High 56°, low 34°.

Pressure30.53 inHg
Wind10.2 mph SW
Humidity46%
Visibility6.2 mi
Dew point33°
Sun, 1863° / 43°0Clear
63 °Clear

St. Charles, Sunday, 18 October

Clear. High 63°, low 43°.

Pressure30.33 inHg
Wind13.7 mph S
Humidity57%
Visibility6.2 mi
Dew point43°
Mon, 1963° / 45°0Overcast
63 °Overcast

St. Charles, Monday, 19 October

Overcast. High 63°, low 45°.

Pressure30.30 inHg
Wind9.9 mph S
Humidity59%
Visibility6.2 mi
Dew point46°
Tue, 2066° / 46°0.02Light rain
66 °Light rain

St. Charles, Tuesday, 20 October

Light rain. High 66°, low 46°.

Pressure30.27 inHg
Wind8.7 mph S
Humidity59%
Visibility6.2 mi
Dew point48°
Wed, 2170° / 51°0.18Light rain
70 °Light rain

St. Charles, Wednesday, 21 October

Light rain. High 70°, low 51°.

Pressure30.18 inHg
Wind8.7 mph S
Humidity52%
Visibility—
Dew point48°
Thu, 2274° / 52°0Partly cloudy
74 °Partly cloudy

St. Charles, Thursday, 22 October

Partly cloudy. High 74°, low 52°.

Pressure30.09 inHg
Wind11.4 mph S
Humidity53%
Visibility—
Dew point49°
Fri, 2374° / 57°0Light rain
74 °Light rain

St. Charles, Friday, 23 October

Light rain. High 74°, low 57°.

Pressure30.06 inHg
Wind14.7 mph S
Humidity40%
Visibility—
Dew point45°
Sat, 2477° / 58°0Partly cloudy
77 °Partly cloudy

St. Charles, Saturday, 24 October

Partly cloudy. High 77°, low 58°.

Pressure30.12 inHg
Wind13.3 mph S
Humidity43%
Visibility—
Dew point49°
Sun, 2563° / 49°0.57Rain
63 °Rain

St. Charles, Sunday, 25 October

Rain. High 63°, low 49°.

Pressure30.15 inHg
Wind12.8 mph NW
Humidity85%
Visibility—
Dew point54°
Mon, 2653° / 41°0Mostly clear
53 °Mostly clear

St. Charles, Monday, 26 October

Mostly clear. High 53°, low 41°.

Pressure30.36 inHg
Wind12.1 mph NW
Humidity51%
Visibility—
Dew point33°
Tue, 2755° / 38°0Overcast
55 °Overcast

St. Charles, Tuesday, 27 October

Overcast. High 55°, low 38°.

Pressure30.33 inHg
Wind9.7 mph SW
Humidity47%
Visibility—
Dew point32°
Wed, 2864° / 45°0Overcast
64 °Overcast

St. Charles, Wednesday, 28 October

Overcast. High 64°, low 45°.

Pressure30.03 inHg
Wind19.8 mph S
Humidity60%
Visibility—
Dew point42°
Thu, 2966° / 54°0.02Light rain
66 °Light rain

St. Charles, Thursday, 29 October

Light rain. High 66°, low 54°.

Pressure29.77 inHg
Wind18.9 mph W
Humidity36%
Visibility—
Dew point38°
Fri, 3061° / 47°0Mostly clear
61 °Mostly clear

St. Charles, Friday, 30 October

Mostly clear. High 61°, low 47°.

Pressure30.12 inHg
Wind13.4 mph NW
Humidity56%
Visibility—
Dew point42°
Sat, 3165° / 47°0.02Light rain
65 °Light rain

St. Charles, Saturday, 31 October

Light rain. High 65°, low 47°.

Pressure29.80 inHg
Wind15.7 mph S
Humidity52%
Visibility—
Dew point42°

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 St. Charles, 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 St. Charles, 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.