As of 10:11 CDT

Weather in St. David, IL

62°

St. David, Thursday, 15 October, 10:11

Rain. Feels like 62°. High 72°, low 57°.

Pressure30.00 inHg

Wind8.4 mph SE

Humidity96%

Visibility3.0 mi

Dew point62°

See detailed hourly forecast

Fri, 1656° / 47°

0.01

56 °

St. David, Friday, 16 October

Light rain. High 56°, low 47°.

Pressure30.18 inHg

Wind17.1 mph NW

Humidity61%

Visibility6.2 mi

Dew point40°

Sat, 1757° / 38°

57 °

St. David, Saturday, 17 October

Clear. High 57°, low 38°.

Pressure30.56 inHg

Wind2.1 mph SW

Humidity45%

Visibility6.2 mi

Dew point32°

Sun, 1862° / 42°

62 °

St. David, Sunday, 18 October

Clear. High 62°, low 42°.

Pressure30.45 inHg

Wind11.5 mph S

Humidity48%

Visibility6.2 mi

Dew point39°

Mon, 1966° / 44°

66 °

St. David, Monday, 19 October

Overcast. High 66°, low 44°.

Pressure30.33 inHg

Wind7.2 mph S

Humidity46%

Visibility—

Dew point40°

Tue, 2065° / 48°

65 °

St. David, Tuesday, 20 October

Overcast. High 65°, low 48°.

Pressure30.33 inHg

Wind6.6 mph S

Humidity56%

Visibility—

Dew point46°

Wed, 2173° / 55°

73 °

St. David, Wednesday, 21 October

Overcast. High 73°, low 55°.

Pressure30.30 inHg

Wind7.1 mph S

Humidity44%

Visibility—

Dew point47°

Thu, 2269° / 55°

69 °

St. David, Thursday, 22 October

Overcast. High 69°, low 55°.

Pressure30.21 inHg

Wind8.9 mph S

Humidity51%

Visibility—

Dew point45°

Fri, 2375° / 56°

75 °

St. David, Friday, 23 October

Overcast. High 75°, low 56°.

Pressure30.18 inHg

Wind14 mph SE

Humidity32%

Visibility—

Dew point40°

Sat, 2473° / 58°

73 °

St. David, Saturday, 24 October

Light rain. High 73°, low 58°.

Pressure30.12 inHg

Wind15.8 mph S

Humidity39%

Visibility—

Dew point45°

Sun, 2566° / 48°

66 °

St. David, Sunday, 25 October

Clear. High 66°, low 48°.

Pressure30.53 inHg

Wind12 mph NE

Humidity34%

Visibility—

Dew point34°

Mon, 2669° / 45°

69 °

St. David, Monday, 26 October

Overcast. High 69°, low 45°.

Pressure30.42 inHg

Wind9.2 mph E

Humidity43%

Visibility—

Dew point39°

Tue, 2778° / 59°

0.02

78 °

St. David, Tuesday, 27 October

Light rain. High 78°, low 59°.

Pressure30.12 inHg

Wind15.5 mph SW

Humidity34%

Visibility—

Dew point44°

Wed, 2862° / 59°

0.39

62 °

St. David, Wednesday, 28 October

Rain. High 62°, low 59°.

Pressure30.03 inHg

Wind14.8 mph S

Humidity83%

Visibility—

Dew point54°

Thu, 2969° / 61°

0.24

69 °

St. David, Thursday, 29 October

Light rain. High 69°, low 61°.

Pressure29.91 inHg

Wind14.2 mph S

Humidity77%

Visibility—

Dew point60°

Fri, 3076° / 57°

1.29

76 °

St. David, Friday, 30 October

Heavy rain. High 76°, low 57°.

Pressure29.71 inHg

Wind24.3 mph W

Humidity67%

Visibility—

Dew point63°

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. David, IL 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. David, IL 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.