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As of 20:08 CDT

Weather in Merriam, IL

61°Current weather

Merriam, Monday, 26 October, 20:08

Clear. Feels like 60°. High 76°, low 48°.

Pressure30.27 inHg
Wind0 mph N
Humidity63%
Visibility6.2 mi
Dew point48°
Tue, 2775° / 48°0Overcast
75 °Overcast

Merriam, Tuesday, 27 October

Overcast. High 75°, low 48°.

Pressure30.27 inHg
Wind3.8 mph S
Humidity50%
Visibility6.2 mi
Dew point51°
Wed, 2875° / 48°0Clear
75 °Clear

Merriam, Wednesday, 28 October

Clear. High 75°, low 48°.

Pressure30.24 inHg
Wind6 mph S
Humidity46%
Visibility6.2 mi
Dew point51°
Thu, 2979° / 54°0Clear
79 °Clear

Merriam, Thursday, 29 October

Clear. High 79°, low 54°.

Pressure30.18 inHg
Wind8.5 mph SW
Humidity45%
Visibility6.2 mi
Dew point52°
Fri, 3076° / 57°0Overcast
76 °Overcast

Merriam, Friday, 30 October

Overcast. High 76°, low 57°.

Pressure30.21 inHg
Wind3.5 mph E
Humidity60%
Visibility6.2 mi
Dew point58°
Sat, 3171° / 61°0Overcast
71 °Overcast

Merriam, Saturday, 31 October

Overcast. High 71°, low 61°.

Pressure30.15 inHg
Wind6.6 mph E
Humidity66%
Visibility—
Dew point56°
Sun, 0167° / 60°0.12Light rain
67 °Light rain

Merriam, Sunday, 1 November

Light rain. High 67°, low 60°.

Pressure29.94 inHg
Wind10.3 mph SE
Humidity91%
Visibility—
Dew point61°
Mon, 0265° / 55°0.11Light rain
65 °Light rain

Merriam, Monday, 2 November

Light rain. High 65°, low 55°.

Pressure29.85 inHg
Wind13.8 mph SE
Humidity71%
Visibility—
Dew point53°
Tue, 0363° / 48°0.6Rain
63 °Rain

Merriam, Tuesday, 3 November

Rain. High 63°, low 48°.

Pressure29.59 inHg
Wind18.5 mph W
Humidity76%
Visibility—
Dew point49°
Wed, 0457° / 47°0.01Light rain
57 °Light rain

Merriam, Wednesday, 4 November

Light rain. High 57°, low 47°.

Pressure29.80 inHg
Wind14.3 mph NW
Humidity43%
Visibility—
Dew point33°
Thu, 0550° / 46°0Light rain
50 °Light rain

Merriam, Thursday, 5 November

Light rain. High 50°, low 46°.

Pressure30.00 inHg
Wind14.6 mph NW
Humidity69%
Visibility—
Dew point40°
Fri, 0659° / 42°0Clear
59 °Clear

Merriam, Friday, 6 November

Clear. High 59°, low 42°.

Pressure30.18 inHg
Wind8.9 mph N
Humidity50%
Visibility—
Dew point36°
Sat, 0761° / 42°0Mostly clear
61 °Mostly clear

Merriam, Saturday, 7 November

Mostly clear. High 61°, low 42°.

Pressure30.18 inHg
Wind10.9 mph SE
Humidity44%
Visibility—
Dew point35°
Sun, 0866° / 49°0Overcast
66 °Overcast

Merriam, Sunday, 8 November

Overcast. High 66°, low 49°.

Pressure30.00 inHg
Wind19.3 mph S
Humidity43%
Visibility—
Dew point39°
Mon, 0960° / 51°0.89Heavy rain
60 °Heavy rain

Merriam, Monday, 9 November

Heavy rain. High 60°, low 51°.

Pressure29.83 inHg
Wind12.2 mph S
Humidity77%
Visibility—
Dew point52°
Tue, 1058° / 45°0.04Light rain
58 °Light rain

Merriam, Tuesday, 10 November

Light rain. High 58°, low 45°.

Pressure29.77 inHg
Wind14.7 mph W
Humidity54%
Visibility—
Dew point40°

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 Merriam, 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 Merriam, 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.