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Weather data for St. Francisville is updated regularly with the latest available observations and forecasts.

Now · 9:05 AM

St. Francisville Weather & Hourly Forecast

United States · Louisiana · 70775

81°F

Sunny

Feels like: 89°F

💧 Humidity 91% 🌡 Pressure 30.00 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 1.9 · Low 🌅 Sunrise 6:43 AM 🌇 Sunset 7:26 PM

Hourly Forecast for St. Francisville

Today

10:00 AM

Sunny

81° 💧 None 💨 3 mph H 91%30.00 inHg

1:00 PM

Sunny

88° 💧 None 💨 4 mph H 63%29.97 inHg

4:00 PM

Overcast

87° 💧 None 💨 1 mph H 55%29.91 inHg

7:00 PM

Overcast

81° 💧 0.02 in 💨 4 mph H 72%29.91 inHg

10:00 PM

Light rain

77° 💧 0.01 in 💨 4 mph H 79%29.94 inHg

Tomorrow

1:00 AM

Partly cloudy night

75° 💧 None 💨 3 mph H 89%29.91 inHg

4:00 AM

Clear night

74° 💧 None 💨 2 mph H 94%29.91 inHg

7:00 AM

Mostly sunny

75° 💧 0.01 in 💨 3 mph H 93%29.94 inHg

10:00 AM

Light rain

84° 💧 0.13 in 💨 3 mph H 71%29.97 inHg

1:00 PM

Light rain

82° 💧 0.02 in 💨 4 mph H 83%29.97 inHg

4:00 PM

Overcast

80° 💧 0.03 in 💨 3 mph H 86%29.91 inHg

7:00 PM

Light rain

79° 💧 0.11 in 💨 2 mph H 87%29.91 inHg

10:00 PM

Moderate rain

75° 💧 0.06 in 💨 3 mph H 97%29.94 inHg

Saturday

1:00 AM

Overcast night

74° 💧 None 💨 3 mph H 97%29.91 inHg

4:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 97%29.91 inHg

7:00 AM

Mostly cloudy

73° 💧 None 💨 1 mph H 97%29.94 inHg

Today

10:00 AM

Sunny

81° 💧 None 💨 3 mph H 91%30.00 inHg

11:00 AM

Sunny

83° 💧 None 💨 3 mph H 84%30.00 inHg

12:00 PM

Sunny

85° 💧 None 💨 4 mph H 75%30.00 inHg

1:00 PM

Sunny

88° 💧 None 💨 4 mph H 63%29.97 inHg

2:00 PM

Mostly cloudy

90° 💧 None 💨 4 mph H 51%29.94 inHg

3:00 PM

Mostly cloudy

89° 💧 None 💨 3 mph H 46%29.91 inHg

4:00 PM

Overcast

87° 💧 None 💨 1 mph H 55%29.91 inHg

5:00 PM

Overcast

86° 💧 None 💨 3 mph H 64%29.88 inHg

6:00 PM

Overcast

83° 💧 None 💨 3 mph H 67%29.91 inHg

7:00 PM

Overcast

81° 💧 None 💨 4 mph H 72%29.91 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 4 mph H 71%29.91 inHg

9:00 PM

Light rain

78° 💧 0.02 in 💨 4 mph H 76%29.94 inHg

10:00 PM

Light rain

77° 💧 0.01 in 💨 4 mph H 79%29.94 inHg

11:00 PM

Partly cloudy night

76° 💧 None 💨 4 mph H 83%29.94 inHg

Tomorrow

12:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 87%29.94 inHg

1:00 AM

Partly cloudy night

75° 💧 None 💨 3 mph H 89%29.91 inHg

2:00 AM

Clear night

74° 💧 None 💨 3 mph H 91%29.91 inHg

3:00 AM

Clear night

74° 💧 None 💨 1 mph H 93%29.91 inHg

4:00 AM

Clear night

74° 💧 None 💨 2 mph H 94%29.91 inHg

5:00 AM

Clear night

74° 💧 None 💨 2 mph H 94%29.91 inHg

6:00 AM

Clear night

74° 💧 None 💨 2 mph H 94%29.94 inHg

7:00 AM

Mostly sunny

75° 💧 None 💨 3 mph H 93%29.94 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 2 mph H 86%29.97 inHg

9:00 AM

Light rain

81° 💧 0.01 in 💨 3 mph H 79%29.97 inHg

10:00 AM

Light rain

84° 💧 0.01 in 💨 3 mph H 71%29.97 inHg

11:00 AM

Moderate rain

88° 💧 0.08 in 💨 4 mph H 77%29.97 inHg

12:00 PM

Light rain

89° 💧 0.04 in 💨 4 mph H 73%29.97 inHg

1:00 PM

Light rain

82° 💧 0.02 in 💨 4 mph H 83%29.97 inHg

2:00 PM

Light rain

81° 💧 0.01 in 💨 3 mph H 86%29.94 inHg

3:00 PM

Overcast

80° 💧 None 💨 3 mph H 86%29.94 inHg

4:00 PM

Overcast

80° 💧 None 💨 3 mph H 86%29.91 inHg

5:00 PM

Overcast

82° 💧 None 💨 1 mph H 81%29.91 inHg

6:00 PM

Light rain

82° 💧 0.03 in 💨 2 mph H 83%29.91 inHg

7:00 PM

Light rain

79° 💧 0.03 in 💨 2 mph H 87%29.91 inHg

8:00 PM

Overcast night

77° 💧 None 💨 3 mph H 90%29.91 inHg

9:00 PM

Moderate rain

75° 💧 0.08 in 💨 5 mph H 95%29.94 inHg

10:00 PM

Moderate rain

75° 💧 0.06 in 💨 3 mph H 97%29.94 inHg

11:00 PM

Overcast night

75° 💧 None 💨 2 mph H 96%29.91 inHg

Saturday

12:00 AM

Overcast night

74° 💧 None 💨 3 mph H 96%29.91 inHg

1:00 AM

Overcast night

74° 💧 None 💨 3 mph H 97%29.91 inHg

2:00 AM

Mostly clear night

73° 💧 None 💨 3 mph H 97%29.91 inHg

3:00 AM

Partly cloudy night

73° 💧 None 💨 0 mph H 97%29.91 inHg

4:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 97%29.91 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 97%29.91 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 97%29.91 inHg

7:00 AM

Mostly cloudy

73° 💧 None 💨 1 mph H 97%29.94 inHg

8:00 AM

Overcast

76° 💧 None 💨 1 mph H 94%29.94 inHg

9:00 AM

Overcast

79° 💧 None 💨 1 mph H 88%29.97 inHg

10:00 AM

Light rain

82° 💧 0.02 in 💨 2 mph H 83%29.97 inHg

11:00 AM

Moderate rain

84° 💧 0.04 in 💨 2 mph H 79%29.97 inHg

12:00 PM

Light rain

86° 💧 0.04 in 💨 1 mph H 72%29.94 inHg

1:00 PM

Light rain

90° 💧 0.01 in 💨 2 mph H 61%29.94 inHg

2:00 PM

Light rain

91° 💧 0.02 in 💨 2 mph H 58%29.91 inHg

3:00 PM

Partly cloudy

92° 💧 None 💨 3 mph H 53%29.91 inHg

4:00 PM

Mostly cloudy

92° 💧 None 💨 3 mph H 50%29.88 inHg

5:00 PM

Mostly cloudy

92° 💧 None 💨 4 mph H 51%29.85 inHg

6:00 PM

Light rain

86° 💧 0.01 in 💨 5 mph H 67%29.85 inHg

7:00 PM

Light rain

82° 💧 0.01 in 💨 5 mph H 78%29.88 inHg

8:00 PM

Light rain

80° 💧 0.01 in 💨 5 mph H 83%29.88 inHg

9:00 PM

Overcast night

78° 💧 None 💨 5 mph H 86%29.88 inHg

10:00 PM

Overcast night

77° 💧 None 💨 3 mph H 89%29.91 inHg

11:00 PM

Overcast night

76° 💧 None 💨 3 mph H 90%29.88 inHg

Sunday

12:00 AM

Overcast night

76° 💧 None 💨 4 mph H 92%29.88 inHg

1:00 AM

Overcast night

75° 💧 None 💨 3 mph H 94%29.88 inHg

2:00 AM

Mostly clear night

74° 💧 None 💨 3 mph H 95%29.88 inHg

3:00 AM

Mostly clear night

74° 💧 None 💨 3 mph H 95%29.88 inHg

4:00 AM

Partly cloudy night

74° 💧 None 💨 3 mph H 96%29.88 inHg

5:00 AM

Partly cloudy night

74° 💧 None 💨 4 mph H 97%29.88 inHg

6:00 AM

Partly cloudy night

74° 💧 None 💨 3 mph H 97%29.91 inHg

7:00 AM

Partly cloudy

74° 💧 None 💨 2 mph H 96%29.91 inHg

8:00 AM

Sunny

77° 💧 None 💨 2 mph H 89%29.94 inHg

9:00 AM

Sunny

81° 💧 None 💨 3 mph H 79%29.94 inHg

10:00 AM

Sunny

86° 💧 None 💨 3 mph H 69%29.94 inHg

11:00 AM

Sunny

90° 💧 None 💨 2 mph H 61%29.94 inHg

12:00 PM

Sunny

92° 💧 None 💨 3 mph H 56%29.94 inHg

1:00 PM

Sunny

94° 💧 None 💨 3 mph H 51%29.91 inHg

2:00 PM

Sunny

95° 💧 None 💨 3 mph H 48%29.88 inHg

3:00 PM

Sunny

95° 💧 None 💨 4 mph H 47%29.88 inHg

4:00 PM

Sunny

95° 💧 None 💨 5 mph H 47%29.85 inHg

5:00 PM

Sunny

94° 💧 None 💨 7 mph H 48%29.83 inHg

6:00 PM

Mostly sunny

91° 💧 None 💨 3 mph H 59%29.85 inHg

7:00 PM

Mostly sunny

87° 💧 None 💨 3 mph H 63%29.85 inHg

8:00 PM

Mostly cloudy night

85° 💧 None 💨 6 mph H 65%29.85 inHg

9:00 PM

Overcast night

82° 💧 None 💨 6 mph H 74%29.88 inHg

10:00 PM

Overcast night

80° 💧 None 💨 4 mph H 79%29.88 inHg

11:00 PM

Moderate rain

76° 💧 0.11 in 💨 3 mph H 93%29.91 inHg

Monday

12:00 AM

Light rain

76° 💧 0.00 in 💨 3 mph H 94%29.88 inHg

1:00 AM

Overcast night

76° 💧 None 💨 2 mph H 95%29.88 inHg

2:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 96%29.88 inHg

3:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 96%29.88 inHg

4:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 96%29.88 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 96%29.88 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 97%29.91 inHg

7:00 AM

Mostly sunny

75° 💧 None 💨 3 mph H 96%29.91 inHg

8:00 AM

Sunny

78° 💧 None 💨 3 mph H 92%29.94 inHg

9:00 AM

Sunny

81° 💧 None 💨 3 mph H 84%29.97 inHg

In St. Francisville and, more broadly, across the state of Louisiana: This morning, expect mostly cloudy skies with temperatures starting around 74 degrees. Winds will be coming from the east at up to 11 mph, with gusts reaching 19 mph. As the day progresses into the afternoon, temperatures will rise into the upper 80s, creating hot conditions. There is a high likelihood of rain, with potential accumulations around 0.14 inches, and a 100% chance of rain at some point during the day. Winds will remain moderate from the east, possibly gusting a bit stronger. Be prepared for brief periods of rain and warm, humid weather as the day unfolds.

15-Day Weather Outlook for St. Francisville

TomorrowTomorrow

Moderate rain 89°/74° 💧 0.35 in 💨 5 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 92°/73° 💧 0.15 in 💨 5 mph

Sunday, Sep 6Sun Sep 6

Sunny 95°/74° 💧 None 💨 5 mph

Monday, Sep 7Mon Sep 7

Heavy rain 98°/74° 💧 0.82 in 💨 6 mph

Tuesday, Sep 8Tue Sep 8

Light rain 94°/74° 💧 0.01 in 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Light rain 93°/74° 💧 0.01 in 💨 7 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 93°/74° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Sunny 95°/74° 💧 None 💨 6 mph

Saturday, Sep 12Sat Sep 12

Sunny 96°/74° 💧 None 💨 5 mph

Sunday, Sep 13Sun Sep 13

Sunny 96°/73° 💧 None 💨 6 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 94°/74° 💧 None 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 95°/75° 💧 None 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Light rain 96°/74° 💧 0.04 in 💨 7 mph

Thursday, Sep 17Thu Sep 17

Light rain 94°/72° 💧 0.02 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Light rain 94°/72° 💧 0.03 in 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Francisville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Francisville

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 2,3µg/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 2,8µg/m³

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

O₃ Ozone Good 32,6µg/m³

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

NO₂ Nitrogen dioxide Good 2,5µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in St. Francisville

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 9,9Very high 😊Good

Tomorrow UV 9,6Very high 🙂Fair

Saturday UV 9,9Very high 🙂Fair

Sunday UV 9,8Very high 🙂Fair

Monday UV 9,0Very high 😊Good

Tuesday UV 8,0Very high —Unavailable

Wednesday UV 8,0Very high —Unavailable

Hourly UV index today

10:00 AMUV 4,2 11:00 AMUV 6,8 12:00 PMUV 9,0 1:00 PMUV 9,9 2:00 PMUV 8,9 3:00 PMUV 5,0 4:00 PMUV 1,4 5:00 PMUV 0,4 6:00 PMUV 0,2 7:00 PMUV 0,0

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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

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. Francisville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.77 Population: 1,805

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Forecast data for St. Francisville were last refreshed today at 9:05 AM. The current forecast period extends through 05/09/2026 at 7:00 AM. 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.