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As of 02:17 CDT

Weather in Jamesburg, IL

68°Current weather

Jamesburg, Sunday, 9 August, 02:17

Clear. Feels like 69°. High 90°, low 68°.

Pressure30.00 inHg
Wind3.1 mph S
Humidity96%
Visibility6.2 mi
Dew point67°
Mon, 1095° / 75°0.02Light rain
95 °Light rain

Jamesburg, Monday, 10 August

Light rain. High 95°, low 75°.

Pressure29.91 inHg
Wind12.9 mph SW
Humidity70%
Visibility6.2 mi
Dew point75°
Tue, 1190° / 71°0.06Light rain
90 °Light rain

Jamesburg, Tuesday, 11 August

Light rain. High 90°, low 71°.

Pressure29.85 inHg
Wind11.9 mph SW
Humidity69%
Visibility6.2 mi
Dew point74°
Wed, 1279° / 70°0.48Rain
79 °Rain

Jamesburg, Wednesday, 12 August

Rain. High 79°, low 70°.

Pressure29.83 inHg
Wind3 mph NW
Humidity80%
Visibility6.2 mi
Dew point75°
Thu, 1380° / 63°0.09Light rain
80 °Light rain

Jamesburg, Thursday, 13 August

Light rain. High 80°, low 63°.

Pressure29.97 inHg
Wind16 mph NE
Humidity67%
Visibility—
Dew point66°
Fri, 1470° / 58°2.09Heavy rain
70 °Heavy rain

Jamesburg, Friday, 14 August

Heavy rain. High 70°, low 58°.

Pressure30.15 inHg
Wind12 mph NE
Humidity85%
Visibility—
Dew point58°
Sat, 1573° / 60°0.02Light rain
73 °Light rain

Jamesburg, Saturday, 15 August

Light rain. High 73°, low 60°.

Pressure30.21 inHg
Wind11.5 mph SE
Humidity71%
Visibility—
Dew point61°
Sun, 1678° / 62°0.08Light rain
78 °Light rain

Jamesburg, Sunday, 16 August

Light rain. High 78°, low 62°.

Pressure30.09 inHg
Wind7.2 mph SE
Humidity80%
Visibility—
Dew point67°
Mon, 1779° / 64°0Mostly clear
79 °Mostly clear

Jamesburg, Monday, 17 August

Mostly clear. High 79°, low 64°.

Pressure30.09 inHg
Wind7.8 mph NE
Humidity72%
Visibility—
Dew point66°
Tue, 1878° / 65°0Mostly clear
78 °Mostly clear

Jamesburg, Tuesday, 18 August

Mostly clear. High 78°, low 65°.

Pressure30.03 inHg
Wind6.9 mph SE
Humidity71%
Visibility—
Dew point66°
Wed, 1985° / 66°0.07Light rain
85 °Light rain

Jamesburg, Wednesday, 19 August

Light rain. High 85°, low 66°.

Pressure29.94 inHg
Wind15.7 mph S
Humidity74%
Visibility—
Dew point70°
Thu, 2094° / 72°0Partly cloudy
94 °Partly cloudy

Jamesburg, Thursday, 20 August

Partly cloudy. High 94°, low 72°.

Pressure29.83 inHg
Wind10.2 mph S
Humidity67%
Visibility—
Dew point76°
Fri, 2191° / 75°0Partly cloudy
91 °Partly cloudy

Jamesburg, Friday, 21 August

Partly cloudy. High 91°, low 75°.

Pressure29.88 inHg
Wind10.3 mph NE
Humidity66%
Visibility—
Dew point74°
Sat, 2295° / 73°0Partly cloudy
95 °Partly cloudy

Jamesburg, Saturday, 22 August

Partly cloudy. High 95°, low 73°.

Pressure29.88 inHg
Wind10.1 mph SE
Humidity68%
Visibility—
Dew point76°
Sun, 2393° / 80°0Overcast
93 °Overcast

Jamesburg, Sunday, 23 August

Overcast. High 93°, low 80°.

Pressure29.85 inHg
Wind10.8 mph S
Humidity59%
Visibility—
Dew point73°
Mon, 2484° / 69°0.1Light rain
84 °Light rain

Jamesburg, Monday, 24 August

Light rain. High 84°, low 69°.

Pressure30.06 inHg
Wind13.5 mph NW
Humidity81%
Visibility—
Dew point73°

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 Jamesburg, 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 Jamesburg, 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.