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As of 02:21 EDT

Weather in Altona, MI

41°Current weather

Altona, Tuesday, 20 October, 02:21

Overcast. Feels like 38°. High 66°, low 37°.

Pressure30.36 inHg
Wind4.9 mph N
Humidity94%
Visibility6.2 mi
Dew point39°
Wed, 2166° / 36°0Mostly clear
66 °Mostly clear

Altona, Wednesday, 21 October

Mostly clear. High 66°, low 36°.

Pressure30.27 inHg
Wind4.6 mph SW
Humidity62%
Visibility6.2 mi
Dew point47°
Thu, 2260° / 43°0Mostly clear
60 °Mostly clear

Altona, Thursday, 22 October

Mostly clear. High 60°, low 43°.

Pressure30.36 inHg
Wind5.1 mph NE
Humidity71%
Visibility6.2 mi
Dew point44°
Fri, 2357° / 37°0Clear
57 °Clear

Altona, Friday, 23 October

Clear. High 57°, low 37°.

Pressure30.45 inHg
Wind4.5 mph SE
Humidity72%
Visibility6.2 mi
Dew point42°
Sat, 2459° / 36°0Partly cloudy
59 °Partly cloudy

Altona, Saturday, 24 October

Partly cloudy. High 59°, low 36°.

Pressure30.45 inHg
Wind7.4 mph S
Humidity53%
Visibility—
Dew point38°
Sun, 2561° / 43°0Overcast
61 °Overcast

Altona, Sunday, 25 October

Overcast. High 61°, low 43°.

Pressure30.36 inHg
Wind10 mph SW
Humidity57%
Visibility—
Dew point42°
Mon, 2655° / 41°0Overcast
55 °Overcast

Altona, Monday, 26 October

Overcast. High 55°, low 41°.

Pressure30.30 inHg
Wind9.5 mph W
Humidity36%
Visibility—
Dew point26°
Tue, 2743° / 31°0.05Light rain
43 °Light rain

Altona, Tuesday, 27 October

Light rain. High 43°, low 31°.

Pressure30.18 inHg
Wind16.6 mph NW
Humidity90%
Visibility—
Dew point36°
Wed, 2840° / 27°0Light rain
40 °Light rain

Altona, Wednesday, 28 October

Light rain. High 40°, low 27°.

Pressure30.30 inHg
Wind14.8 mph W
Humidity40%
Visibility—
Dew point16°
Thu, 2945° / 30°0Clear
45 °Clear

Altona, Thursday, 29 October

Clear. High 45°, low 30°.

Pressure30.09 inHg
Wind14.3 mph NW
Humidity42%
Visibility—
Dew point22°
Fri, 3051° / 30°0Partly cloudy
51 °Partly cloudy

Altona, Friday, 30 October

Partly cloudy. High 51°, low 30°.

Pressure30.03 inHg
Wind15.5 mph W
Humidity45%
Visibility—
Dew point28°
Sat, 3156° / 38°0Overcast
56 °Overcast

Altona, Saturday, 31 October

Overcast. High 56°, low 38°.

Pressure30.18 inHg
Wind8.3 mph S
Humidity47%
Visibility—
Dew point33°
Sun, 0155° / 44°0Overcast
55 °Overcast

Altona, Sunday, 1 November

Overcast. High 55°, low 44°.

Pressure30.12 inHg
Wind11 mph SW
Humidity38%
Visibility—
Dew point28°
Mon, 0251° / 48°0.46Rain
51 °Rain

Altona, Monday, 2 November

Rain. High 51°, low 48°.

Pressure29.97 inHg
Wind9.8 mph SW
Humidity97%
Visibility—
Dew point48°
Tue, 0349° / 45°0.03Light rain
49 °Light rain

Altona, Tuesday, 3 November

Light rain. High 49°, low 45°.

Pressure29.80 inHg
Wind14.2 mph NW
Humidity87%
Visibility—
Dew point44°
Wed, 0452° / 37°0Clear
52 °Clear

Altona, Wednesday, 4 November

Clear. High 52°, low 37°.

Pressure30.06 inHg
Wind13.4 mph NW
Humidity49%
Visibility—
Dew point31°

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 Altona, 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 Altona, 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.