Dennison (Ottawa County) — Weather

Live· Clear within 100 kmJust updated
Thunderstorm
23°C73°F· Thunderstorm · 100% cloud cover
Feels like 23°C74°F · Low 17°C63°F · High 26°C79°F
Wind
17 km/h5 m/s11 mph from SW
Humidity
88%
Pressure
1004 hPa29.64 inHgstable
UV Index
0.0Low(night)

Unsettled — heat

Dennison at a glance: 23°C73°F, thunderstorms.

⚡ Isolated thunderstorm on Tuesday, with rain. Total ~8.2 mm. Below the monthly normal (66 mm/month).

🌡️ At 26°C79°F, today runs 4.4°C39°F warmer than the July average of 22°C72°F.

🌤️ Skies clearing from 05:00.

Hourly forecast

Detailed forecast for the next 60 hours

10°C50°F15°C59°F20°C68°F25°C77°F30°C86°F0mm0.00in1mm0.04in2mm0.08in3mm0.12in4mm0.16in01:0007:0013:0019:0001:0007:0013:0019:0003:0009:0012:00
TemperaturePrecipitationWind
Now
Thunderstorm
23°C73°F
3.50.14
1711
88
02:00
Thunderstorm
22°C72°F
3.50.14
1811
91
03:00
Light rain
22°C72°F
1.00.04
2113
93
04:00
Drizzle
22°C72°F
1710
95
05:00
Partly cloudy
22°C72°F
148
95
06:00
Partly cloudy
22°C72°F
149
96
07:00
Partly cloudy
22°C72°F
138
94
08:00
Partly cloudy
23°C73°F
159
91
09:00
Drizzle
24°C75°F
1912
84
10:00
Drizzle
24°C75°F
2214
75
11:00
Partly cloudy
24°C75°F
2415
71
12:00
Drizzle
24°C75°F
2415
69
13:00
Drizzle
25°C77°F
2516
64
14:00
Partly cloudy
25°C78°F
2516
61
15:00
Partly cloudy
26°C78°F
2516
59
16:00
Partly cloudy
26°C79°F
2515
57
17:00
Partly cloudy
26°C78°F
2314
56
18:00
Partly cloudy
25°C77°F
2113
57
19:00
Partly cloudy
25°C76°F
2012
56
20:00
Partly cloudy
23°C74°F
1912
59
21:00
Partly cloudy
22°C71°F
159
62
22:00
Clear
19°C67°F
1510
69
23:00
Clear
17°C63°F
1610
67
00:00
Clear
16°C60°F
117
67
01:00
Clear
14°C58°F
96
73
02:00
Clear
13°C56°F
85
78
03:00
Clear
13°C55°F
85
83
04:00
Clear
12°C54°F
85
86
05:00
Clear
12°C54°F
96
85
06:00
Clear
12°C54°F
106
82
07:00
Clear
12°C54°F
85
82
08:00
Clear
14°C57°F
85
78
09:00
Clear
16°C61°F
117
70
10:00
Clear
18°C65°F
1710
60
11:00
Clear
20°C68°F
1811
51
12:00
Partly cloudy
21°C70°F
1912
43
13:00
Overcast
22°C71°F
2012
42
14:00
Clear
22°C72°F
2013
41
15:00
Overcast
23°C73°F
2013
40
16:00
Overcast
23°C73°F
2113
41
17:00
Clear
23°C73°F
2012
40
18:00
Partly cloudy
23°C73°F
1811
37
19:00
Clear
22°C72°F
1610
40
20:00
Clear
21°C70°F
127
42
21:00
Clear
19°C66°F
64
53
22:00
Clear
17°C62°F
42
64
23:00
Clear
16°C60°F
32
68
00:00
Clear
15°C59°F
32
70
03:00
Clear
14°C57°F
32
79
06:00
Clear
13°C56°F
32
84
09:00
Clear
18°C65°F
53
75
12:00
Partly cloudy
23°C74°F
127
52
mminkm/hm/smphHumidity %

Daily Forecast

Thunderstorm
Today
·Thunderstorm
8.2 mm0.32 in· heavyNW 25 km/h7 m/s16 mph(gusts 541533)74%UV 25h
17°C63°F
26°C79°F
Today
Thunderstorm
Thunderstorm
74%
NW 25 km/h7 m/s16 mph (gusts 541533)
8.2 mm0.32 in
UV 2
5h
17°C63°F
26°C79°F
Overcast
Tomorrow
·Overcast
NW 21 km/h6 m/s13 mph(gusts 421226)60%UV 212h
12°C54°F
23°C73°F
Tomorrow
Overcast
Overcast
60%
NW 21 km/h6 m/s13 mph (gusts 421226)
UV 2
12h
12°C54°F
23°C73°F
Partly cloudy
Thursday
·Partly cloudy
W 15 km/h4 m/s9 mph(gusts 31919)62%UV 214h
13°C55°F
25°C78°F
Thursday
Partly cloudy
Partly cloudy
62%
W 15 km/h4 m/s9 mph (gusts 31919)
UV 2
14h
13°C55°F
25°C78°F
Clear
Friday
·Clear
SW 18 km/h5 m/s11 mph(gusts 30819)58%UV 212h
14°C57°F
27°C80°F
Friday
Clear
Clear
58%
SW 18 km/h5 m/s11 mph (gusts 30819)
UV 2
12h
14°C57°F
27°C80°F
Overcast
Saturday
·Overcast
S 19 km/h5 m/s12 mph(gusts 391124)69%UV 211h
14°C58°F
28°C82°F
Saturday
Overcast
Overcast
69%
S 19 km/h5 m/s12 mph (gusts 391124)
UV 2
11h
14°C58°F
28°C82°F
Overcast
Sunday
·Overcast
W 15 km/h4 m/s10 mph(gusts 32920)81%UV 27h
21°C69°F
29°C84°F
Sunday
Overcast
Overcast
81%
W 15 km/h4 m/s10 mph (gusts 32920)
UV 2
7h
21°C69°F
29°C84°F
Light rain
Monday
·Light rain
3.3 mm0.13 inW 14 km/h4 m/s9 mph(gusts 31919)75%UV 25h
19°C66°F
31°C88°F
Monday
Light rain
Light rain
75%
W 14 km/h4 m/s9 mph (gusts 31919)
3.3 mm0.13 in
UV 2
5h
19°C66°F
31°C88°F
Rain
Tuesday
·Rain
6.1 mm0.24 in· heavyNW 27 km/h7 m/s17 mph(gusts 591637)54%UV 29h
15°C59°F
28°C83°F
Tuesday
Rain
Rain
54%
NW 27 km/h7 m/s17 mph (gusts 591637)
6.1 mm0.24 in
UV 2
9h
15°C59°F
28°C83°F
Clear
Wednesday
·Clear
N 25 km/h7 m/s16 mph43%15h
11°C52°F
28°C83°F
Wednesday
Clear
Clear
43%
N 25 km/h7 m/s16 mph
15h
11°C52°F
28°C83°F
Clear
Thursday
·Clear
N 21 km/h6 m/s13 mph(gusts 33921)43%15h
13°C55°F
31°C87°F
Thursday
Clear
Clear
43%
N 21 km/h6 m/s13 mph (gusts 33921)
15h
13°C55°F
31°C87°F
Clear
Friday
·Clear
E 17 km/h5 m/s11 mph(gusts 371023)54%15h
15°C58°F
32°C90°F
Friday
Clear
Clear
54%
E 17 km/h5 m/s11 mph (gusts 371023)
15h
15°C58°F
32°C90°F
Clear
Saturday
·Clear
SW 23 km/h6 m/s14 mph54%15h
17°C62°F
34°C93°F
Saturday
Clear
Clear
54%
SW 23 km/h6 m/s14 mph
15h
17°C62°F
34°C93°F
Clear
Sunday
·Clear
SE 20 km/h5 m/s12 mph45%15h
18°C65°F
35°C96°F
Sunday
Clear
Clear
45%
SE 20 km/h5 m/s12 mph
15h
18°C65°F
35°C96°F
Clear
Monday
·Clear
W 21 km/h6 m/s13 mph(gusts 421226)45%14h
19°C67°F
34°C93°F
Monday
Clear
Clear
45%
W 21 km/h6 m/s13 mph (gusts 421226)
14h
19°C67°F
34°C93°F
Clear
Tuesday
·Clear
N 24 km/h7 m/s15 mph(gusts 401125)37%14h
15°C60°F
36°C97°F
Tuesday
Clear
Clear
37%
N 24 km/h7 m/s15 mph (gusts 401125)
14h
15°C60°F
36°C97°F
Clear
Wednesday
·Clear
W 18 km/h5 m/s11 mph54%14h
19°C66°F
31°C88°F
Wednesday
Clear
Clear
54%
W 18 km/h5 m/s11 mph
14h
19°C66°F
31°C88°F
Sunrise
06:23
Civil Dawn 05:53
Sunset
21:17
Civil Dusk 21:47
Today vs. seasonal normal
-1.9°C-3.4°F
High 27.8°C82°F · Low 15.1°C59°F · Normal for this month
AQI
41 · Moderate
Pollen
0 · None
Fire Risk
0 · Very low
Very low

Dennison is located in Michigan, United States. Elevation: 195m. Annual average temperature: 8.5°C. Annual precipitation: 875mm.

CloudsLast updated Mon 20:00
Clouds weather map
0%100%
PrecipitationLast updated Mon 20:00
Precipitation weather map
010+ mm/h
TemperatureLast updated Mon 20:00
Temperature weather map
−20°40°

Frequently Asked Questions

What is the weather like in Dennison today?

Today in Dennison, United States, the temperature is 23°C with Thunderstorm. The high is 26°C and the low is 17°C.

What is the 16-day forecast for Dennison?

The 16-day forecast for Dennison shows the warmest day is Tuesday at 36°C, while the coolest night is Wednesday at 11°C. 3 day(s) have precipitation expected.

What time is sunrise and sunset in Dennison?

In Dennison, sunrise is at 06:23 and sunset is at 21:17. Day length is approximately 14h 53m.

How accurate is the weather forecast for Dennison?

Our forecasts for Dennison use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Dennison has an annual average temperature of 8.5°C and receives 875mm of precipitation per year.

Last updated: 07/21/2026, 01:00 AM

July climate in Dennison

Normals for July: average 21°C (15–28°C), around 66 mm of rain across the month. About 13°C warmer than the annual average of 8.5°C.

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