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As of 13:38 EDT

Weather in Sullivan, MI

64°Current weather

Sullivan, Thursday, 8 October, 13:38

Partly cloudy. Feels like 62°. High 65°, low 48°.

Pressure30.06 inHg
Wind12.7 mph W
Humidity53%
Visibility6.2 mi
Dew point46°
Fri, 0967° / 50°0.01Light rain
67 °Light rain

Sullivan, Friday, 9 October

Light rain. High 67°, low 50°.

Pressure30.18 inHg
Wind5.6 mph S
Humidity51%
Visibility6.2 mi
Dew point46°
Sat, 1074° / 54°0Overcast
74 °Overcast

Sullivan, Saturday, 10 October

Overcast. High 74°, low 54°.

Pressure30.15 inHg
Wind8.9 mph S
Humidity56%
Visibility6.2 mi
Dew point54°
Sun, 1173° / 57°0Clear
73 °Clear

Sullivan, Sunday, 11 October

Clear. High 73°, low 57°.

Pressure30.00 inHg
Wind5.4 mph SE
Humidity66%
Visibility6.2 mi
Dew point56°
Mon, 1270° / 57°0.01Light rain
70 °Light rain

Sullivan, Monday, 12 October

Light rain. High 70°, low 57°.

Pressure29.83 inHg
Wind9.7 mph SW
Humidity84%
Visibility6.2 mi
Dew point62°
Tue, 1364° / 54°0.26Rain
64 °Rain

Sullivan, Tuesday, 13 October

Rain. High 64°, low 54°.

Pressure29.91 inHg
Wind7.4 mph NE
Humidity74%
Visibility—
Dew point55°
Wed, 1458° / 43°0.08Light rain
58 °Light rain

Sullivan, Wednesday, 14 October

Light rain. High 58°, low 43°.

Pressure30.12 inHg
Wind11.1 mph E
Humidity46%
Visibility—
Dew point35°
Thu, 1575° / 51°0.68Rain
75 °Rain

Sullivan, Thursday, 15 October

Rain. High 75°, low 51°.

Pressure29.88 inHg
Wind18.2 mph SE
Humidity67%
Visibility—
Dew point61°
Fri, 1666° / 50°0.03Light rain
66 °Light rain

Sullivan, Friday, 16 October

Light rain. High 66°, low 50°.

Pressure30.15 inHg
Wind19.6 mph NW
Humidity61%
Visibility—
Dew point44°
Sat, 1754° / 42°0Clear
54 °Clear

Sullivan, Saturday, 17 October

Clear. High 54°, low 42°.

Pressure30.65 inHg
Wind14.9 mph N
Humidity40%
Visibility—
Dew point28°
Sun, 1854° / 37°0Overcast
54 °Overcast

Sullivan, Sunday, 18 October

Overcast. High 54°, low 37°.

Pressure30.53 inHg
Wind6.9 mph SE
Humidity38%
Visibility—
Dew point26°
Mon, 1961° / 46°0.02Light rain
61 °Light rain

Sullivan, Monday, 19 October

Light rain. High 61°, low 46°.

Pressure30.24 inHg
Wind11.4 mph S
Humidity55%
Visibility—
Dew point39°
Tue, 2062° / 55°0.04Light rain
62 °Light rain

Sullivan, Tuesday, 20 October

Light rain. High 62°, low 55°.

Pressure30.06 inHg
Wind14.4 mph SW
Humidity61%
Visibility—
Dew point48°
Wed, 2161° / 52°0Partly cloudy
61 °Partly cloudy

Sullivan, Wednesday, 21 October

Partly cloudy. High 61°, low 52°.

Pressure30.00 inHg
Wind13.6 mph W
Humidity53%
Visibility—
Dew point42°
Thu, 2258° / 49°0.44Rain
58 °Rain

Sullivan, Thursday, 22 October

Rain. High 58°, low 49°.

Pressure29.77 inHg
Wind20.5 mph W
Humidity94%
Visibility—
Dew point53°
Fri, 2350° / 41°0.04Light rain
50 °Light rain

Sullivan, Friday, 23 October

Light rain. High 50°, low 41°.

Pressure30.12 inHg
Wind22.2 mph W
Humidity57%
Visibility—
Dew point35°

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 Sullivan, MI 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 Sullivan, MI 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.