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Now · 7:10 PM

St. Joseph Weather & Hourly Forecast

United States · Louisiana · 71366

88°F

Sunny

Feels like: 100°F

💧 Humidity 72% 🌡 Pressure 29.88 inHg 💨 Wind 1 mph 👁 Visibility 19.0 mi ☁ Clouds 9% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Joseph

Today

8:00 PM

Clear night

87° 💧 None 💨 1 mph H 74%29.91 inHg

11:00 PM

Clear night

82° 💧 None 💨 4 mph H 82%29.97 inHg

Tomorrow

2:00 AM

Clear night

80° 💧 None 💨 3 mph H 87%29.97 inHg

5:00 AM

Clear night

79° 💧 None 💨 4 mph H 95%30.00 inHg

8:00 AM

Sunny

81° 💧 None 💨 4 mph H 90%30.06 inHg

11:00 AM

Strong thunderstorm

91° 💧 0.005 in 💨 3 mph H 63%30.06 inHg

2:00 PM

Mostly sunny

94° 💧 0.009 in 💨 5 mph H 52%30.03 inHg

5:00 PM

Light rain

90° 💧 0.044 in 💨 7 mph H 60%30.00 inHg

8:00 PM

Clear night

81° 💧 None 💨 4 mph H 90%30.06 inHg

11:00 PM

Clear night

79° 💧 None 💨 5 mph H 90%30.09 inHg

Wednesday

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 95%30.09 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 95%30.09 inHg

8:00 AM

Sunny

79° 💧 0.000 in 💨 3 mph H 91%30.15 inHg

11:00 AM

Sunny

88° 💧 0.007 in 💨 6 mph H 60%30.15 inHg

2:00 PM

Mostly sunny

92° 💧 0.005 in 💨 6 mph H 52%30.09 inHg

5:00 PM

Light rain

92° 💧 0.007 in 💨 5 mph H 53%30.00 inHg

Today

8:00 PM

Clear night

87° 💧 None 💨 1 mph H 74%29.91 inHg

9:00 PM

Clear night

86° 💧 None 💨 1 mph H 73%29.91 inHg

10:00 PM

Clear night

84° 💧 None 💨 5 mph H 78%29.94 inHg

11:00 PM

Clear night

82° 💧 None 💨 4 mph H 82%29.97 inHg

Tomorrow

12:00 AM

Clear night

81° 💧 None 💨 4 mph H 85%29.97 inHg

1:00 AM

Clear night

80° 💧 None 💨 4 mph H 86%29.97 inHg

2:00 AM

Clear night

80° 💧 None 💨 3 mph H 87%29.97 inHg

3:00 AM

Clear night

79° 💧 None 💨 3 mph H 90%29.97 inHg

4:00 AM

Clear night

79° 💧 None 💨 4 mph H 93%29.97 inHg

5:00 AM

Clear night

79° 💧 None 💨 4 mph H 95%30.00 inHg

6:00 AM

Clear night

78° 💧 None 💨 5 mph H 97%30.03 inHg

7:00 AM

Sunny

78° 💧 None 💨 4 mph H 97%30.03 inHg

8:00 AM

Sunny

81° 💧 None 💨 4 mph H 90%30.06 inHg

9:00 AM

Sunny

84° 💧 None 💨 3 mph H 81%30.06 inHg

10:00 AM

Sunny

88° 💧 None 💨 3 mph H 72%30.06 inHg

11:00 AM

Strong thunderstorm

91° 💧 0.000 in 💨 3 mph H 63%30.06 inHg

12:00 PM

Sunny

93° 💧 0.001 in 💨 4 mph H 58%30.06 inHg

1:00 PM

Mostly sunny

94° 💧 0.003 in 💨 5 mph H 55%30.03 inHg

2:00 PM

Mostly sunny

94° 💧 0.003 in 💨 5 mph H 52%30.03 inHg

3:00 PM

Partly cloudy

94° 💧 0.003 in 💨 5 mph H 51%30.00 inHg

4:00 PM

Mostly sunny

94° 💧 0.003 in 💨 6 mph H 50%30.00 inHg

5:00 PM

Light rain

90° 💧 0.013 in 💨 7 mph H 60%30.00 inHg

6:00 PM

Light rain

82° 💧 0.030 in 💨 7 mph H 83%30.03 inHg

7:00 PM

Sunny

81° 💧 0.001 in 💨 3 mph H 89%30.03 inHg

8:00 PM

Clear night

81° 💧 None 💨 4 mph H 90%30.06 inHg

9:00 PM

Clear night

80° 💧 None 💨 4 mph H 89%30.06 inHg

10:00 PM

Clear night

79° 💧 None 💨 4 mph H 89%30.09 inHg

11:00 PM

Clear night

79° 💧 None 💨 5 mph H 90%30.09 inHg

Wednesday

12:00 AM

Clear night

79° 💧 None 💨 5 mph H 93%30.09 inHg

1:00 AM

Clear night

78° 💧 None 💨 4 mph H 94%30.09 inHg

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 95%30.09 inHg

3:00 AM

Clear night

77° 💧 None 💨 3 mph H 95%30.09 inHg

4:00 AM

Clear night

77° 💧 None 💨 3 mph H 95%30.09 inHg

5:00 AM

Clear night

76° 💧 None 💨 2 mph H 95%30.09 inHg

6:00 AM

Clear night

76° 💧 None 💨 2 mph H 96%30.12 inHg

7:00 AM

Sunny

76° 💧 None 💨 3 mph H 97%30.12 inHg

8:00 AM

Sunny

79° 💧 None 💨 3 mph H 91%30.15 inHg

9:00 AM

Sunny

82° 💧 None 💨 4 mph H 81%30.15 inHg

10:00 AM

Sunny

86° 💧 0.000 in 💨 5 mph H 70%30.15 inHg

11:00 AM

Sunny

88° 💧 0.004 in 💨 6 mph H 60%30.15 inHg

12:00 PM

Mostly sunny

90° 💧 0.002 in 💨 6 mph H 55%30.12 inHg

1:00 PM

Mostly sunny

92° 💧 0.002 in 💨 6 mph H 53%30.09 inHg

2:00 PM

Mostly sunny

92° 💧 0.002 in 💨 6 mph H 52%30.09 inHg

3:00 PM

Mostly sunny

93° 💧 0.001 in 💨 5 mph H 51%30.03 inHg

4:00 PM

Partly cloudy

93° 💧 0.002 in 💨 5 mph H 51%30.03 inHg

5:00 PM

Light rain

92° 💧 0.004 in 💨 5 mph H 53%30.00 inHg

6:00 PM

Mostly sunny

90° 💧 0.001 in 💨 4 mph H 60%30.00 inHg

7:00 PM

Partly cloudy

87° 💧 0.001 in 💨 5 mph H 68%30.00 inHg

8:00 PM

Partly cloudy night

85° 💧 0.000 in 💨 6 mph H 68%30.00 inHg

9:00 PM

Mostly cloudy night

83° 💧 None 💨 4 mph H 75%30.00 inHg

10:00 PM

Partly cloudy night

82° 💧 None 💨 2 mph H 83%30.03 inHg

11:00 PM

Partly cloudy night

81° 💧 None 💨 4 mph H 87%30.03 inHg

Thursday

12:00 AM

Mostly cloudy night

80° 💧 None 💨 4 mph H 89%30.03 inHg

1:00 AM

Partly cloudy night

79° 💧 None 💨 6 mph H 89%30.03 inHg

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 91%30.03 inHg

3:00 AM

Mostly clear night

78° 💧 None 💨 3 mph H 94%30.03 inHg

4:00 AM

Mostly clear night

77° 💧 None 💨 2 mph H 95%30.03 inHg

5:00 AM

Partly cloudy night

77° 💧 None 💨 1 mph H 96%30.03 inHg

6:00 AM

Clear night

76° 💧 None 💨 1 mph H 97%30.03 inHg

7:00 AM

Sunny

76° 💧 None 💨 2 mph H 98%30.03 inHg

10:00 AM

Light rain

84° 💧 None 💨 4 mph H 75%30.06 inHg

1:00 PM

Partly cloudy

90° 💧 None 💨 3 mph H 60%30.00 inHg

4:00 PM

Light thunderstorms

81° 💧 None 💨 14 mph H 86%29.94 inHg

7:00 PM

Overcast

80° 💧 None 💨 4 mph H 94%29.91 inHg

10:00 PM

Overcast night

78° 💧 None 💨 5 mph H 94%29.94 inHg

Friday

1:00 AM

Mostly cloudy night

76° 💧 None 💨 3 mph H 97%29.94 inHg

4:00 AM

Partly cloudy night

76° 💧 None 💨 3 mph H 97%29.94 inHg

7:00 AM

Overcast

76° 💧 None 💨 1 mph H 96%29.94 inHg

10:00 AM

Light rain

82° 💧 None 💨 4 mph H 77%29.94 inHg

1:00 PM

Partly cloudy

88° 💧 None 💨 6 mph H 60%29.91 inHg

4:00 PM

Mostly cloudy

90° 💧 None 💨 5 mph H 57%29.83 inHg

7:00 PM

Mostly cloudy

77° 💧 None 💨 6 mph H 96%29.85 inHg

10:00 PM

Mostly cloudy night

76° 💧 None 💨 2 mph H 98%29.88 inHg

Saturday

1:00 AM

Clear night

76° 💧 None 💨 6 mph H 98%29.88 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 3 mph H 99%29.88 inHg

7:00 AM

Overcast

75° 💧 None 💨 3 mph H 99%29.91 inHg

10:00 AM

Mostly sunny

79° 💧 None 💨 5 mph H 89%29.94 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 5 mph H 69%29.94 inHg

4:00 PM

Mostly cloudy

89° 💧 None 💨 2 mph H 60%29.88 inHg

7:00 PM

Mostly sunny

78° 💧 None 💨 7 mph H 92%29.88 inHg

10:00 PM

Clear night

77° 💧 None 💨 5 mph H 96%29.94 inHg

Sunday

1:00 AM

Mostly clear night

76° 💧 None 💨 3 mph H 98%29.94 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 2 mph H 98%29.94 inHg

7:00 AM

Light rain

74° 💧 None 💨 4 mph H 98%29.97 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 5 mph H 67%29.97 inHg

7:00 PM

Sunny

82° 💧 None 💨 4 mph H 81%29.91 inHg

Monday

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 92%30.00 inHg

7:00 AM

Mostly sunny

74° 💧 None 💨 2 mph H 98%30.00 inHg

1:00 PM

Overcast

86° 💧 None 💨 4 mph H 72%30.00 inHg

7:00 PM

Partly cloudy

82° 💧 None 💨 6 mph H 81%29.94 inHg

Tuesday

1:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 94%30.00 inHg

7:00 AM

Sunny

75° 💧 None 💨 2 mph H 97%30.06 inHg

1:00 PM

Light rain

88° 💧 None 💨 2 mph H 68%30.06 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 3 mph H 88%30.03 inHg

Wednesday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 1 mph H 94%30.06 inHg

7:00 AM

Partly cloudy

76° 💧 None 💨 5 mph H 99%30.09 inHg

1:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 67%30.12 inHg

7:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 79%30.06 inHg

Thursday

1:00 AM

Mostly clear night

77° 💧 None 💨 2 mph H 96%30.12 inHg

7:00 AM

Overcast

75° 💧 None 💨 7 mph H 98%30.12 inHg

1:00 PM

Light rain

88° 💧 None 💨 6 mph H 64%30.12 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 4 mph H 79%30.06 inHg

Friday

1:00 AM

Clear night

80° 💧 None 💨 1 mph H 89%30.06 inHg

7:00 AM

Sunny

77° 💧 None 💨 0 mph H 96%30.09 inHg

1:00 PM

Sunny

91° 💧 None 💨 2 mph H 58%30.06 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 5 mph H 72%30.00 inHg

Saturday

1:00 AM

Clear night

80° 💧 None 💨 4 mph H 93%30.03 inHg

7:00 AM

Sunny

77° 💧 None 💨 2 mph H 97%30.03 inHg

1:00 PM

Sunny

91° 💧 None 💨 2 mph H 57%30.03 inHg

7:00 PM

Sunny

87° 💧 None 💨 3 mph H 66%29.91 inHg

Sunday

1:00 AM

Clear night

81° 💧 None 💨 5 mph H 87%29.97 inHg

7:00 AM

Sunny

78° 💧 None 💨 4 mph H 95%30.00 inHg

1:00 PM

Sunny

92° 💧 None 💨 3 mph H 56%30.00 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 4 mph H 69%29.91 inHg

Monday

1:00 AM

Clear night

81° 💧 None 💨 5 mph H 84%29.97 inHg

7:00 AM

Sunny

77° 💧 None 💨 4 mph H 96%30.00 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 4 mph H 55%29.97 inHg

7:00 PM

Sunny

87° 💧 None 💨 4 mph H 62%29.88 inHg

Tuesday

1:00 AM

Clear night

79° 💧 None 💨 7 mph H 86%29.97 inHg

7:00 AM

Sunny

76° 💧 None 💨 4 mph H 97%29.97 inHg

In St. Joseph and, more broadly, across the state of Louisiana: This evening, expect a mix of sun and clouds with temperatures remaining mild to warm, ranging from 83 to 84 degrees Fahrenheit. Some light rain may develop, with an overall accumulation around 0.01 inches, and there's a maximum 36% chance of precipitation. Winds will be moderate, blowing from the southwest at up to 10 mph, with gusts reaching around 16 mph. The weather conditions suggest a relatively calm evening, but a brief shower could occur, so keeping an umbrella handy might be useful. Temperatures will stay steady through the night, with no significant changes expected in the coming hours.

15-Day Weather Outlook for St. Joseph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 93°/76° 💧 None 💨 6 mph

Thursday, Sep 10Thu Sep 10

Light thunderstorms 90°/76° 💧 0.177 in 💨 14 mph

Friday, Sep 11Fri Sep 11

Light rain 90°/76° 💧 0.105 in 💨 6 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 89°/75° 💧 0.196 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Light rain 87°/74° 💧 0.198 in 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 86°/74° 💧 0.147 in 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Light rain 88°/75° 💧 0.032 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 88°/76° 💧 0.244 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 88°/75° 💧 0.061 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 91°/77° 💧 0.026 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 91°/77° 💧 0.006 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Sunny 92°/78° 💧 0.002 in 💨 5 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 91°/77° 💧 0.002 in 💨 5 mph

Tuesday, Sep 22Tue Sep 22

Sunny 87°/76° 💧 0.002 in 💨 7 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

Fair

Nearest forecast value 8:00 PM

PM2.5 Fine particles Good 5,1µg/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 5,4µg/m³

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

O₃ Ozone Fair 66,9µg/m³

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

NO₂ Nitrogen dioxide Good 3,6µg/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 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 9,4Very high 🙂Fair

Tomorrow UV 9,2Very high 😐Moderate

Wednesday UV 8,7Very high 😊Good

Thursday UV 8,9Very high 🙂Fair

Friday UV 6,9High 😊Good

Saturday UV 8,0Very high —Unavailable

Sunday UV 8,0Very high —Unavailable

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

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

Stay hydrated

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

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for St. Joseph

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. JOSEPH, LOUISIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:44 PM–5:21 AM

☁ Cloud cover 0% 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 52° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min73%

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.

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Forecast data for St. Joseph were last refreshed today at 7:09 PM. The current forecast period extends through 09/09/2026 at 5:00 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.