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Current weather in St. Joseph is few clouds.

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Now · 5:01 PM

St. Joseph Weather & Hourly Forecast

United States · Michigan · 49085

78°F

Mostly sunny

Feels like: 81°F

💧 Humidity 78% 🌡 Pressure 29.91 inHg 💨 Wind 9 mph 👁 Visibility 6.6 mi ☁ Clouds 17% ☀️ UV index 2.9 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Joseph

Today

6:00 PM

Light rain

77° 💧 0.012 in 💨 10 mph H 81%29.91 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 84%29.97 inHg

Tomorrow

12:00 AM

Clear night

71° 💧 None 💨 9 mph H 82%30.00 inHg

3:00 AM

Clear night

68° 💧 None 💨 10 mph H 84%30.03 inHg

6:00 AM

Clear night

65° 💧 None 💨 8 mph H 84%30.06 inHg

9:00 AM

Sunny

64° 💧 None 💨 8 mph H 82%30.09 inHg

12:00 PM

Sunny

71° 💧 None 💨 7 mph H 68%30.09 inHg

3:00 PM

Sunny

75° 💧 None 💨 8 mph H 60%30.06 inHg

6:00 PM

Sunny

75° 💧 None 💨 8 mph H 60%30.06 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 7 mph H 75%30.06 inHg

Monday

12:00 AM

Mostly cloudy night

68° 💧 None 💨 8 mph H 82%30.12 inHg

3:00 AM

Clear night

66° 💧 None 💨 8 mph H 86%30.12 inHg

6:00 AM

Clear night

64° 💧 None 💨 6 mph H 93%30.15 inHg

9:00 AM

Sunny

65° 💧 None 💨 7 mph H 90%30.18 inHg

12:00 PM

Sunny

73° 💧 None 💨 6 mph H 64%30.21 inHg

3:00 PM

Sunny

76° 💧 None 💨 5 mph H 55%30.18 inHg

Today

6:00 PM

Light rain

77° 💧 0.006 in 💨 10 mph H 81%29.91 inHg

7:00 PM

Mostly sunny

76° 💧 0.002 in 💨 11 mph H 86%29.94 inHg

8:00 PM

Light rain

75° 💧 0.004 in 💨 10 mph H 84%29.94 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 84%29.97 inHg

10:00 PM

Clear night

74° 💧 None 💨 8 mph H 84%29.97 inHg

11:00 PM

Clear night

73° 💧 None 💨 9 mph H 81%30.00 inHg

Tomorrow

12:00 AM

Clear night

71° 💧 None 💨 9 mph H 82%30.00 inHg

1:00 AM

Clear night

70° 💧 None 💨 9 mph H 83%30.03 inHg

2:00 AM

Clear night

69° 💧 None 💨 9 mph H 82%30.03 inHg

3:00 AM

Clear night

68° 💧 None 💨 10 mph H 84%30.03 inHg

4:00 AM

Partly cloudy night

67° 💧 None 💨 10 mph H 87%30.03 inHg

5:00 AM

Clear night

66° 💧 None 💨 9 mph H 86%30.06 inHg

6:00 AM

Clear night

65° 💧 None 💨 8 mph H 84%30.06 inHg

7:00 AM

Clear night

64° 💧 None 💨 8 mph H 83%30.06 inHg

8:00 AM

Sunny

63° 💧 None 💨 8 mph H 83%30.09 inHg

9:00 AM

Sunny

64° 💧 None 💨 8 mph H 82%30.09 inHg

10:00 AM

Sunny

66° 💧 None 💨 8 mph H 81%30.09 inHg

11:00 AM

Sunny

68° 💧 None 💨 8 mph H 75%30.09 inHg

12:00 PM

Sunny

71° 💧 None 💨 7 mph H 68%30.09 inHg

1:00 PM

Sunny

72° 💧 None 💨 7 mph H 64%30.09 inHg

2:00 PM

Sunny

74° 💧 None 💨 8 mph H 61%30.09 inHg

3:00 PM

Sunny

75° 💧 None 💨 8 mph H 60%30.06 inHg

4:00 PM

Sunny

76° 💧 None 💨 7 mph H 60%30.06 inHg

5:00 PM

Sunny

76° 💧 None 💨 8 mph H 60%30.06 inHg

6:00 PM

Sunny

75° 💧 None 💨 8 mph H 60%30.06 inHg

7:00 PM

Sunny

75° 💧 None 💨 8 mph H 63%30.06 inHg

8:00 PM

Sunny

73° 💧 None 💨 7 mph H 69%30.06 inHg

9:00 PM

Mostly clear night

71° 💧 None 💨 7 mph H 75%30.06 inHg

10:00 PM

Mostly clear night

70° 💧 None 💨 7 mph H 79%30.09 inHg

11:00 PM

Mostly clear night

69° 💧 None 💨 7 mph H 81%30.12 inHg

Monday

12:00 AM

Mostly cloudy night

68° 💧 None 💨 8 mph H 82%30.12 inHg

1:00 AM

Mostly cloudy night

67° 💧 None 💨 9 mph H 82%30.12 inHg

2:00 AM

Clear night

67° 💧 None 💨 8 mph H 84%30.12 inHg

3:00 AM

Clear night

66° 💧 None 💨 8 mph H 86%30.12 inHg

4:00 AM

Clear night

65° 💧 None 💨 7 mph H 88%30.15 inHg

5:00 AM

Clear night

65° 💧 None 💨 6 mph H 91%30.15 inHg

6:00 AM

Clear night

64° 💧 None 💨 6 mph H 93%30.15 inHg

7:00 AM

Clear night

64° 💧 None 💨 6 mph H 94%30.18 inHg

8:00 AM

Sunny

64° 💧 None 💨 7 mph H 94%30.18 inHg

9:00 AM

Sunny

65° 💧 None 💨 7 mph H 90%30.18 inHg

10:00 AM

Sunny

68° 💧 None 💨 6 mph H 84%30.18 inHg

11:00 AM

Sunny

71° 💧 None 💨 6 mph H 73%30.21 inHg

12:00 PM

Sunny

73° 💧 None 💨 6 mph H 64%30.21 inHg

1:00 PM

Sunny

74° 💧 None 💨 4 mph H 59%30.21 inHg

2:00 PM

Sunny

75° 💧 None 💨 5 mph H 57%30.18 inHg

3:00 PM

Sunny

76° 💧 None 💨 5 mph H 55%30.18 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 54%30.15 inHg

5:00 PM

Partly cloudy

77° 💧 None 💨 6 mph H 53%30.15 inHg

6:00 PM

Mostly sunny

77° 💧 None 💨 6 mph H 53%30.15 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 7 mph H 58%30.15 inHg

8:00 PM

Partly cloudy

74° 💧 None 💨 8 mph H 66%30.15 inHg

9:00 PM

Mostly cloudy night

72° 💧 None 💨 8 mph H 70%30.15 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 6 mph H 73%30.15 inHg

11:00 PM

Overcast night

70° 💧 None 💨 8 mph H 74%30.18 inHg

Tuesday

12:00 AM

Overcast night

69° 💧 None 💨 10 mph H 76%30.18 inHg

1:00 AM

Mostly cloudy night

68° 💧 None 💨 9 mph H 78%30.18 inHg

2:00 AM

Mostly cloudy night

66° 💧 None 💨 9 mph H 79%30.18 inHg

3:00 AM

Overcast night

65° 💧 None 💨 11 mph H 80%30.15 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 10 mph H 79%30.15 inHg

5:00 AM

Overcast night

64° 💧 None 💨 10 mph H 78%30.18 inHg

6:00 AM

Overcast night

63° 💧 None 💨 10 mph H 78%30.15 inHg

7:00 AM

Mostly cloudy night

63° 💧 None 💨 10 mph H 78%30.15 inHg

8:00 AM

Overcast

64° 💧 None 💨 10 mph H 81%30.15 inHg

11:00 AM

Overcast

71° 💧 None 💨 10 mph H 72%30.15 inHg

2:00 PM

Overcast

80° 💧 None 💨 6 mph H 62%30.12 inHg

5:00 PM

Overcast

81° 💧 None 💨 4 mph H 60%30.06 inHg

8:00 PM

Sunny

78° 💧 None 💨 8 mph H 69%30.03 inHg

11:00 PM

Partly cloudy night

75° 💧 None 💨 10 mph H 72%30.03 inHg

Wednesday

2:00 AM

Overcast night

74° 💧 None 💨 11 mph H 68%30.00 inHg

5:00 AM

Overcast night

75° 💧 None 💨 13 mph H 62%29.97 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 4 mph H 69%30.00 inHg

11:00 AM

Light rain

75° 💧 None 💨 12 mph H 74%30.00 inHg

2:00 PM

Overcast

77° 💧 None 💨 12 mph H 73%29.97 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 12 mph H 74%29.91 inHg

8:00 PM

Overcast

78° 💧 None 💨 11 mph H 73%29.91 inHg

11:00 PM

Clear night

73° 💧 None 💨 7 mph H 82%29.97 inHg

Thursday

2:00 AM

Clear night

72° 💧 None 💨 9 mph H 83%29.97 inHg

5:00 AM

Mostly cloudy night

69° 💧 None 💨 6 mph H 85%29.97 inHg

8:00 AM

Overcast

70° 💧 None 💨 9 mph H 79%29.97 inHg

11:00 AM

Overcast

71° 💧 None 💨 11 mph H 68%30.00 inHg

2:00 PM

Sunny

73° 💧 None 💨 10 mph H 65%30.00 inHg

5:00 PM

Sunny

74° 💧 None 💨 7 mph H 58%29.94 inHg

8:00 PM

Sunny

71° 💧 None 💨 4 mph H 66%29.94 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 73%29.94 inHg

Friday

2:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 74%29.94 inHg

5:00 AM

Clear night

70° 💧 None 💨 5 mph H 78%29.94 inHg

8:00 AM

Overcast

67° 💧 None 💨 1 mph H 84%29.97 inHg

2:00 PM

Mostly sunny

77° 💧 None 💨 7 mph H 59%29.94 inHg

8:00 PM

Sunny

74° 💧 None 💨 2 mph H 58%29.88 inHg

Saturday

2:00 AM

Clear night

68° 💧 None 💨 9 mph H 74%29.88 inHg

8:00 AM

Sunny

65° 💧 None 💨 9 mph H 80%29.88 inHg

2:00 PM

Sunny

83° 💧 None 💨 12 mph H 44%29.83 inHg

8:00 PM

Sunny

83° 💧 None 💨 14 mph H 53%29.74 inHg

Sunday

2:00 AM

Overcast night

79° 💧 None 💨 17 mph H 60%29.74 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 15 mph H 83%29.74 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 17 mph H 82%29.85 inHg

8:00 PM

Overcast

64° 💧 None 💨 12 mph H 85%29.97 inHg

Monday

2:00 AM

Overcast night

62° 💧 None 💨 9 mph H 85%30.06 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 88%30.15 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 10 mph H 58%30.21 inHg

8:00 PM

Clear night

63° 💧 None 💨 7 mph H 64%30.18 inHg

Tuesday

2:00 AM

Clear night

57° 💧 None 💨 3 mph H 84%30.21 inHg

8:00 AM

Mostly sunny

53° 💧 None 💨 3 mph H 96%30.24 inHg

2:00 PM

Sunny

68° 💧 None 💨 4 mph H 52%30.24 inHg

8:00 PM

Clear night

65° 💧 None 💨 4 mph H 62%30.21 inHg

Wednesday

2:00 AM

Clear night

57° 💧 None 💨 4 mph H 84%30.24 inHg

8:00 AM

Sunny

54° 💧 None 💨 5 mph H 88%30.30 inHg

2:00 PM

Partly cloudy

73° 💧 None 💨 4 mph H 44%30.30 inHg

8:00 PM

Clear night

68° 💧 None 💨 7 mph H 62%30.27 inHg

Thursday

2:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 87%30.27 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 4 mph H 93%30.30 inHg

2:00 PM

Sunny

74° 💧 None 💨 5 mph H 49%30.30 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 3 mph H 67%30.24 inHg

Friday

2:00 AM

Mostly cloudy night

62° 💧 None 💨 4 mph H 90%30.24 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 5 mph H 86%30.21 inHg

2:00 PM

Mostly sunny

78° 💧 None 💨 4 mph H 43%30.15 inHg

8:00 PM

Overcast night

74° 💧 None 💨 8 mph H 54%30.06 inHg

Saturday

2:00 AM

Light rain

67° 💧 None 💨 12 mph H 76%30.00 inHg

8:00 AM

Overcast

64° 💧 None 💨 12 mph H 75%29.91 inHg

2:00 PM

Partly cloudy

73° 💧 None 💨 14 mph H 62%29.85 inHg

8:00 PM

Clear night

71° 💧 None 💨 3 mph H 72%29.83 inHg

Sunday

2:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 88%29.83 inHg

8:00 AM

Moderate rain

65° 💧 None 💨 10 mph H 95%29.80 inHg

In St. Joseph 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 gentle, coming from the east at speeds up to 8 mph, with occasional gusts reaching around 20 mph. As evening approaches, skies will remain partly cloudy, with no precipitation expected. Temperatures are likely to stay mild through the night, providing comfortable conditions for outdoor activities. Overall, the weather will be calm and pleasant for the rest of the evening.

15-Day Weather Outlook for St. Joseph

TomorrowTomorrow

Partly cloudy 76°/63° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 77°/64° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 81°/63° 💧 0.062 in 💨 11 mph

Wednesday, Sep 9Wed Sep 9

Light rain 79°/74° 💧 0.041 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Overcast 78°/69° 💧 None 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 77°/67° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Sunny 83°/65° 💧 None 💨 12 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 83°/69° 💧 0.150 in 💨 17 mph

Monday, Sep 14Mon Sep 14

Overcast 67°/60° 💧 0.081 in 💨 12 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 68°/53° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 73°/54° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 74°/56° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 78°/59° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Light rain 74°/64° 💧 0.081 in 💨 14 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 71°/65° 💧 0.143 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Joseph

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Joseph

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 6:00 PM

PM2.5 Fine particles Fair 14,1µg/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 14,6µg/m³

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

O₃ Ozone Moderate 109,6µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in St. Joseph

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 7,2High 😐Moderate

Tomorrow UV 7,2High 🙂Fair

Monday UV 6,9High 🙂Fair

Tuesday UV 7,1High 😐Moderate

Wednesday UV 5,8Moderate 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

6:00 PMUV 1,3 7:00 PMUV 0,4

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 St. Joseph

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. JOSEPH, MICHIGAN

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:50 PM–5:39 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 36° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min62%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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.

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Forecast data for St. Joseph were last refreshed today at 5:01 PM. The current forecast period extends through 07/09/2026 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.