What is the weather in Grass Lake right now?

Current weather in Grass Lake is scattered clouds.

Where can I find the hourly weather forecast for Grass Lake?

This page shows hourly weather forecast for Grass Lake, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Grass Lake updated regularly?

Weather data for Grass Lake is updated regularly with the latest available observations and forecasts.

Now · 5:16 PM

Grass Lake Weather & Hourly Forecast

United States · Michigan · 49240

77°F

Partly cloudy

Feels like: 76°F

💧 Humidity 47% 🌡 Pressure 30.15 inHg 💨 Wind 6 mph 👁 Visibility 25.9 mi ☁ Clouds 45% ☀️ UV index 2.5 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Grass Lake

Today

6:00 PM

Partly cloudy

75° 💧 None 💨 8 mph H 52%30.15 inHg

9:00 PM

Overcast night

65° 💧 None 💨 5 mph H 67%30.18 inHg

Tomorrow

12:00 AM

Overcast night

62° 💧 None 💨 6 mph H 76%30.21 inHg

3:00 AM

Overcast night

60° 💧 None 💨 5 mph H 85%30.18 inHg

6:00 AM

Overcast night

60° 💧 None 💨 4 mph H 91%30.21 inHg

9:00 AM

Mostly cloudy

66° 💧 None 💨 5 mph H 84%30.21 inHg

12:00 PM

Overcast

77° 💧 None 💨 7 mph H 56%30.18 inHg

3:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 49%30.12 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 55%30.09 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 73%30.09 inHg

Wednesday

12:00 AM

Clear night

70° 💧 None 💨 7 mph H 81%30.06 inHg

3:00 AM

Mostly cloudy night

69° 💧 None 💨 7 mph H 87%30.03 inHg

6:00 AM

Overcast night

69° 💧 None 💨 7 mph H 85%30.00 inHg

9:00 AM

Overcast

74° 💧 None 💨 7 mph H 74%30.00 inHg

12:00 PM

Mostly cloudy

82° 💧 0.017 in 💨 11 mph H 61%29.97 inHg

3:00 PM

Mostly cloudy

82° 💧 0.060 in 💨 15 mph H 62%29.94 inHg

Today

6:00 PM

Partly cloudy

75° 💧 None 💨 8 mph H 52%30.15 inHg

7:00 PM

Overcast

72° 💧 None 💨 8 mph H 59%30.15 inHg

8:00 PM

Overcast

68° 💧 None 💨 8 mph H 63%30.15 inHg

9:00 PM

Overcast night

65° 💧 None 💨 5 mph H 67%30.18 inHg

10:00 PM

Overcast night

63° 💧 None 💨 6 mph H 72%30.21 inHg

11:00 PM

Overcast night

62° 💧 None 💨 5 mph H 76%30.21 inHg

Tomorrow

12:00 AM

Overcast night

62° 💧 None 💨 6 mph H 76%30.21 inHg

1:00 AM

Overcast night

61° 💧 None 💨 6 mph H 78%30.21 inHg

2:00 AM

Overcast night

60° 💧 None 💨 7 mph H 82%30.18 inHg

3:00 AM

Overcast night

60° 💧 None 💨 5 mph H 85%30.18 inHg

4:00 AM

Overcast night

59° 💧 None 💨 5 mph H 88%30.21 inHg

5:00 AM

Overcast night

59° 💧 None 💨 4 mph H 90%30.21 inHg

6:00 AM

Overcast night

60° 💧 None 💨 4 mph H 91%30.21 inHg

7:00 AM

Overcast night

60° 💧 None 💨 5 mph H 92%30.21 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 7 mph H 91%30.21 inHg

9:00 AM

Mostly cloudy

66° 💧 None 💨 5 mph H 84%30.21 inHg

10:00 AM

Overcast

71° 💧 None 💨 6 mph H 73%30.21 inHg

11:00 AM

Mostly cloudy

74° 💧 None 💨 6 mph H 63%30.18 inHg

12:00 PM

Overcast

77° 💧 None 💨 7 mph H 56%30.18 inHg

1:00 PM

Overcast

79° 💧 None 💨 8 mph H 52%30.15 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 8 mph H 49%30.12 inHg

3:00 PM

Partly cloudy

82° 💧 None 💨 8 mph H 49%30.12 inHg

4:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 50%30.09 inHg

5:00 PM

Mostly cloudy

82° 💧 None 💨 7 mph H 51%30.09 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 7 mph H 55%30.09 inHg

7:00 PM

Mostly sunny

79° 💧 None 💨 5 mph H 62%30.09 inHg

8:00 PM

Partly cloudy

74° 💧 None 💨 5 mph H 71%30.09 inHg

9:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 73%30.09 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 6 mph H 77%30.09 inHg

11:00 PM

Clear night

70° 💧 None 💨 6 mph H 80%30.09 inHg

Wednesday

12:00 AM

Clear night

70° 💧 None 💨 7 mph H 81%30.06 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 6 mph H 85%30.06 inHg

2:00 AM

Mostly cloudy night

69° 💧 None 💨 7 mph H 87%30.06 inHg

3:00 AM

Mostly cloudy night

69° 💧 None 💨 7 mph H 87%30.03 inHg

4:00 AM

Overcast night

69° 💧 None 💨 7 mph H 88%30.03 inHg

5:00 AM

Overcast night

69° 💧 None 💨 8 mph H 86%30.03 inHg

6:00 AM

Overcast night

69° 💧 None 💨 7 mph H 85%30.00 inHg

7:00 AM

Overcast night

69° 💧 None 💨 8 mph H 83%30.03 inHg

8:00 AM

Overcast

71° 💧 None 💨 9 mph H 79%30.03 inHg

9:00 AM

Overcast

74° 💧 None 💨 7 mph H 74%30.00 inHg

10:00 AM

Overcast

77° 💧 None 💨 10 mph H 69%30.00 inHg

11:00 AM

Mostly cloudy

78° 💧 None 💨 11 mph H 67%30.00 inHg

12:00 PM

Mostly cloudy

82° 💧 None 💨 11 mph H 61%29.97 inHg

1:00 PM

Mostly cloudy

83° 💧 None 💨 11 mph H 59%29.97 inHg

2:00 PM

Light rain

81° 💧 0.017 in 💨 13 mph H 68%29.94 inHg

3:00 PM

Mostly cloudy

82° 💧 0.002 in 💨 15 mph H 62%29.94 inHg

4:00 PM

Light rain

77° 💧 0.052 in 💨 11 mph H 84%29.91 inHg

5:00 PM

Light rain

80° 💧 0.006 in 💨 12 mph H 72%29.88 inHg

6:00 PM

Overcast

79° 💧 0.000 in 💨 12 mph H 73%29.91 inHg

7:00 PM

Overcast

77° 💧 None 💨 9 mph H 78%29.91 inHg

8:00 PM

Mostly cloudy night

75° 💧 0.001 in 💨 7 mph H 82%29.91 inHg

9:00 PM

Overcast night

74° 💧 None 💨 7 mph H 86%29.91 inHg

10:00 PM

Mostly cloudy night

72° 💧 None 💨 7 mph H 91%29.94 inHg

11:00 PM

Overcast night

70° 💧 None 💨 7 mph H 95%29.94 inHg

Thursday

12:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 97%29.91 inHg

1:00 AM

Clear night

67° 💧 None 💨 4 mph H 97%29.91 inHg

2:00 AM

Overcast night

66° 💧 None 💨 4 mph H 98%29.91 inHg

3:00 AM

Overcast night

65° 💧 None 💨 5 mph H 98%29.91 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 5 mph H 97%29.91 inHg

5:00 AM

Mostly cloudy night

64° 💧 None 💨 4 mph H 98%29.91 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 97%29.91 inHg

7:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 98%29.94 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 4 mph H 98%29.94 inHg

11:00 AM

Overcast

74° 💧 None 💨 4 mph H 70%29.94 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 10 mph H 50%29.91 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 10 mph H 49%29.88 inHg

8:00 PM

Clear night

71° 💧 None 💨 7 mph H 62%29.91 inHg

11:00 PM

Mostly clear night

65° 💧 None 💨 7 mph H 79%29.97 inHg

Friday

2:00 AM

Clear night

61° 💧 None 💨 6 mph H 82%30.00 inHg

5:00 AM

Clear night

57° 💧 None 💨 6 mph H 82%30.03 inHg

8:00 AM

Sunny

57° 💧 None 💨 5 mph H 92%30.06 inHg

11:00 AM

Sunny

70° 💧 None 💨 5 mph H 65%30.06 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 4 mph H 47%30.00 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 5 mph H 44%29.94 inHg

8:00 PM

Clear night

70° 💧 None 💨 8 mph H 66%29.94 inHg

11:00 PM

Clear night

65° 💧 None 💨 8 mph H 82%29.97 inHg

Saturday

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 95%29.94 inHg

5:00 AM

Clear night

61° 💧 None 💨 5 mph H 95%29.94 inHg

8:00 AM

Sunny

63° 💧 None 💨 6 mph H 91%29.97 inHg

11:00 AM

Sunny

77° 💧 None 💨 7 mph H 62%29.94 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 9 mph H 49%29.94 inHg

5:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 48%29.91 inHg

8:00 PM

Overcast night

75° 💧 None 💨 4 mph H 65%29.91 inHg

11:00 PM

Overcast night

70° 💧 None 💨 3 mph H 88%30.00 inHg

Sunday

2:00 AM

Clear night

67° 💧 None 💨 4 mph H 95%30.03 inHg

5:00 AM

Clear night

63° 💧 None 💨 3 mph H 98%30.06 inHg

8:00 AM

Overcast

62° 💧 None 💨 3 mph H 99%30.09 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 1 mph H 39%30.09 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 3 mph H 59%30.06 inHg

Monday

2:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 78%30.09 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 6 mph H 95%30.09 inHg

2:00 PM

Light rain

86° 💧 None 💨 8 mph H 56%30.00 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 9 mph H 64%29.91 inHg

Tuesday

2:00 AM

Overcast night

77° 💧 None 💨 12 mph H 81%29.91 inHg

8:00 AM

Light thunderstorms

73° 💧 None 💨 12 mph H 96%29.91 inHg

2:00 PM

Sunny

78° 💧 None 💨 10 mph H 45%30.00 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 9 mph H 58%30.09 inHg

Wednesday

2:00 AM

Clear night

59° 💧 None 💨 6 mph H 86%30.24 inHg

8:00 AM

Sunny

57° 💧 None 💨 7 mph H 92%30.33 inHg

2:00 PM

Sunny

72° 💧 None 💨 8 mph H 40%30.36 inHg

8:00 PM

Clear night

65° 💧 None 💨 8 mph H 48%30.36 inHg

Thursday

2:00 AM

Clear night

56° 💧 None 💨 5 mph H 75%30.39 inHg

8:00 AM

Partly cloudy

53° 💧 None 💨 4 mph H 90%30.45 inHg

2:00 PM

Overcast

72° 💧 None 💨 6 mph H 35%30.36 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 4 mph H 52%30.24 inHg

Friday

2:00 AM

Overcast night

60° 💧 None 💨 4 mph H 84%30.21 inHg

8:00 AM

Overcast

61° 💧 None 💨 7 mph H 84%30.15 inHg

2:00 PM

Overcast

75° 💧 None 💨 9 mph H 50%30.06 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 6 mph H 62%30.03 inHg

Saturday

2:00 AM

Overcast night

64° 💧 None 💨 6 mph H 91%30.03 inHg

8:00 AM

Overcast

61° 💧 None 💨 7 mph H 81%30.09 inHg

2:00 PM

Overcast

67° 💧 None 💨 1 mph H 62%30.06 inHg

8:00 PM

Clear night

64° 💧 None 💨 2 mph H 65%30.00 inHg

Sunday

2:00 AM

Mostly clear night

57° 💧 None 💨 3 mph H 96%30.03 inHg

8:00 AM

Overcast

58° 💧 None 💨 4 mph H 89%30.03 inHg

2:00 PM

Sunny

74° 💧 None 💨 6 mph H 43%30.00 inHg

8:00 PM

Mostly clear night

66° 💧 None 💨 4 mph H 40%30.00 inHg

Monday

2:00 AM

Clear night

58° 💧 None 💨 5 mph H 78%30.06 inHg

8:00 AM

Sunny

54° 💧 None 💨 6 mph H 96%30.15 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 5 mph H 40%30.12 inHg

8:00 PM

Overcast night

67° 💧 None 💨 9 mph H 57%30.06 inHg

Tuesday

2:00 AM

Overcast night

60° 💧 None 💨 10 mph H 81%30.06 inHg

8:00 AM

Overcast

60° 💧 None 💨 9 mph H 90%29.97 inHg

In Grass Lake and, more broadly, across the state of Michigan: The late afternoon will feature a mix of sun and clouds, with temperatures ranging from the mid-60s to the upper 70s. Winds will be light, coming from the southeast at no more than 5 mph, with occasional gusts around the same strength. As the evening progresses, conditions will remain dry, and skies will stay partly cloudy. Temperatures are expected to stay mild, gradually cooling as night approaches. Overall, the evening looks clear and calm, making for comfortable conditions. No rain or significant weather disturbances are anticipated during this time.

15-Day Weather Outlook for Grass Lake

TomorrowTomorrow

Overcast 82°/59° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 83°/69° 💧 None 💨 15 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 79°/63° 💧 0.064 in 💨 10 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 78°/57° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 83°/61° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Overcast 82°/62° 💧 None 💨 4 mph

Monday, Sep 14Mon Sep 14

Light rain 86°/68° 💧 0.009 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Light thunderstorms 82°/73° 💧 0.137 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 72°/57° 💧 None 💨 9 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 72°/53° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Overcast 75°/60° 💧 0.010 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Overcast 70°/61° 💧 0.001 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Overcast 74°/57° 💧 0.001 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 73°/54° 💧 None 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Overcast 67°/60° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Grass Lake

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Grass Lake

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 3,7µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 96,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Grass Lake

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,7High 🙂Fair

Tomorrow UV 6,2High 🙂Fair

Wednesday UV 6,9High 🙂Fair

Thursday UV 3,8Moderate 🙂Fair

Friday UV 6,5High 😐Moderate

Saturday UV 7,0High —Unavailable

Sunday UV 6,0High —Unavailable

Hourly UV index today

6:00 PMUV 1,1 7:00 PMUV 0,3

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Grass Lake

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GRASS LAKE, MICHIGAN

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

29/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 99% Real hourly forecast for the best viewing hour.

☾ Moonlight 14% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 60° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Grass Lake were last refreshed today at 5:16 PM. The current forecast period extends through 09/09/2026 at 3:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.