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As of 06:05 EDT

Weather in Sullivan, MI

46°Current weather

Sullivan, Thursday, 8 October, 06:05

Clear. Feels like 46°. High 66°, low 46°.

Pressure29.94 inHg
Wind0 mph N
Humidity93%
Visibility6.2 mi
Dew point45°
Fri, 0967° / 50°0.02Light rain
67 °Light rain

Sullivan, Friday, 9 October

Light rain. High 67°, low 50°.

Pressure30.18 inHg
Wind4.3 mph W
Humidity51%
Visibility6.2 mi
Dew point48°
Sat, 1074° / 56°0Clear
74 °Clear

Sullivan, Saturday, 10 October

Clear. High 74°, low 56°.

Pressure30.12 inHg
Wind8.2 mph S
Humidity53%
Visibility6.2 mi
Dew point53°
Sun, 1172° / 57°0Clear
72 °Clear

Sullivan, Sunday, 11 October

Clear. High 72°, low 57°.

Pressure30.06 inHg
Wind6.3 mph S
Humidity62%
Visibility6.2 mi
Dew point55°
Mon, 1269° / 55°0Overcast
69 °Overcast

Sullivan, Monday, 12 October

Overcast. High 69°, low 55°.

Pressure29.85 inHg
Wind11.1 mph S
Humidity74%
Visibility—
Dew point59°
Tue, 1365° / 48°0.25Rain
65 °Rain

Sullivan, Tuesday, 13 October

Rain. High 65°, low 48°.

Pressure29.85 inHg
Wind14.3 mph NW
Humidity69%
Visibility—
Dew point51°
Wed, 1459° / 40°0Overcast
59 °Overcast

Sullivan, Wednesday, 14 October

Overcast. High 59°, low 40°.

Pressure30.15 inHg
Wind10.2 mph SE
Humidity43%
Visibility—
Dew point34°
Thu, 1576° / 54°0.64Heavy rain
76 °Heavy rain

Sullivan, Thursday, 15 October

Heavy rain. High 76°, low 54°.

Pressure29.80 inHg
Wind22.5 mph SW
Humidity52%
Visibility—
Dew point54°
Fri, 1669° / 53°0.15Light rain
69 °Light rain

Sullivan, Friday, 16 October

Light rain. High 69°, low 53°.

Pressure29.97 inHg
Wind22.3 mph SW
Humidity47%
Visibility—
Dew point43°
Sat, 1755° / 45°0Overcast
55 °Overcast

Sullivan, Saturday, 17 October

Overcast. High 55°, low 45°.

Pressure30.47 inHg
Wind11.4 mph N
Humidity48%
Visibility—
Dew point33°
Sun, 1857° / 47°0.02Light rain
57 °Light rain

Sullivan, Sunday, 18 October

Light rain. High 57°, low 47°.

Pressure30.24 inHg
Wind8.9 mph W
Humidity65%
Visibility—
Dew point44°
Mon, 1958° / 46°0.09Light rain
58 °Light rain

Sullivan, Monday, 19 October

Light rain. High 58°, low 46°.

Pressure30.21 inHg
Wind6.6 mph SW
Humidity70%
Visibility—
Dew point47°
Tue, 2059° / 52°0.07Light rain
59 °Light rain

Sullivan, Tuesday, 20 October

Light rain. High 59°, low 52°.

Pressure30.09 inHg
Wind6.7 mph E
Humidity81%
Visibility—
Dew point52°
Wed, 2164° / 52°0Overcast
64 °Overcast

Sullivan, Wednesday, 21 October

Overcast. High 64°, low 52°.

Pressure30.00 inHg
Wind8.9 mph SW
Humidity60%
Visibility—
Dew point49°
Thu, 2267° / 48°0.02Light rain
67 °Light rain

Sullivan, Thursday, 22 October

Light rain. High 67°, low 48°.

Pressure29.77 inHg
Wind14.6 mph S
Humidity55%
Visibility—
Dew point47°
Fri, 2371° / 58°0.06Light rain
71 °Light rain

Sullivan, Friday, 23 October

Light rain. High 71°, low 58°.

Pressure29.83 inHg
Wind15.5 mph S
Humidity66%
Visibility—
Dew point57°

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.