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Now · 5:28 AM

St. Augustine South Weather & Hourly Forecast

United States · Florida · 32086

80°F

Clear night

Feels like: 86°F

💧 Humidity 81% 🌡 Pressure 30.09 inHg 💨 Wind 6 mph 👁 Visibility 11.4 mi ☁ Clouds 11% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Augustine South

Today

6:00 AM

Clear night

80° 💧 0.001 in 💨 4 mph H 83%30.09 inHg

9:00 AM

Sunny

83° 💧 0.007 in 💨 5 mph H 77%30.12 inHg

12:00 PM

Sunny

86° 💧 0.042 in 💨 7 mph H 71%30.15 inHg

3:00 PM

Sunny

85° 💧 0.010 in 💨 9 mph H 74%30.09 inHg

6:00 PM

Sunny

83° 💧 0.000 in 💨 9 mph H 78%30.09 inHg

9:00 PM

Mostly clear night

80° 💧 0.004 in 💨 7 mph H 86%30.06 inHg

Tomorrow

12:00 AM

Clear night

79° 💧 0.002 in 💨 5 mph H 90%30.09 inHg

3:00 AM

Mostly clear night

77° 💧 0.001 in 💨 2 mph H 94%30.06 inHg

6:00 AM

Mostly clear night

77° 💧 0.003 in 💨 2 mph H 95%30.06 inHg

9:00 AM

Sunny

81° 💧 0.013 in 💨 3 mph H 84%30.06 inHg

12:00 PM

Light rain

85° 💧 0.084 in 💨 7 mph H 74%30.09 inHg

3:00 PM

Light thunderstorms

85° 💧 0.037 in 💨 8 mph H 74%30.00 inHg

6:00 PM

Light thunderstorms

82° 💧 0.007 in 💨 7 mph H 79%30.00 inHg

9:00 PM

Overcast night

78° 💧 None 💨 2 mph H 93%30.00 inHg

Friday

12:00 AM

Overcast night

77° 💧 None 💨 6 mph H 96%30.00 inHg

3:00 AM

Overcast night

75° 💧 None 💨 3 mph H 98%29.97 inHg

Today

6:00 AM

Clear night

80° 💧 0.000 in 💨 4 mph H 83%30.09 inHg

7:00 AM

Mostly clear night

79° 💧 0.001 in 💨 4 mph H 84%30.09 inHg

8:00 AM

Sunny

81° 💧 0.000 in 💨 4 mph H 83%30.12 inHg

9:00 AM

Sunny

83° 💧 0.000 in 💨 5 mph H 77%30.12 inHg

10:00 AM

Light rain

84° 💧 0.004 in 💨 7 mph H 75%30.15 inHg

11:00 AM

Sunny

85° 💧 0.003 in 💨 7 mph H 73%30.15 inHg

12:00 PM

Sunny

86° 💧 0.000 in 💨 7 mph H 71%30.15 inHg

1:00 PM

Mostly sunny

85° 💧 0.002 in 💨 9 mph H 71%30.15 inHg

2:00 PM

Light rain

84° 💧 0.039 in 💨 8 mph H 76%30.12 inHg

3:00 PM

Sunny

85° 💧 0.000 in 💨 9 mph H 74%30.09 inHg

4:00 PM

Light rain

84° 💧 0.008 in 💨 11 mph H 74%30.09 inHg

5:00 PM

Sunny

84° 💧 0.002 in 💨 10 mph H 76%30.06 inHg

6:00 PM

Sunny

83° 💧 0.000 in 💨 9 mph H 78%30.09 inHg

7:00 PM

Sunny

82° 💧 None 💨 7 mph H 81%30.09 inHg

8:00 PM

Clear night

80° 💧 None 💨 6 mph H 85%30.06 inHg

9:00 PM

Mostly clear night

80° 💧 None 💨 7 mph H 86%30.06 inHg

10:00 PM

Mostly clear night

80° 💧 0.001 in 💨 6 mph H 87%30.09 inHg

11:00 PM

Mostly clear night

79° 💧 0.003 in 💨 5 mph H 89%30.09 inHg

Tomorrow

12:00 AM

Clear night

79° 💧 0.000 in 💨 5 mph H 90%30.09 inHg

1:00 AM

Clear night

79° 💧 0.001 in 💨 4 mph H 92%30.09 inHg

2:00 AM

Clear night

78° 💧 0.001 in 💨 3 mph H 94%30.09 inHg

3:00 AM

Mostly clear night

77° 💧 0.001 in 💨 2 mph H 94%30.06 inHg

4:00 AM

Mostly clear night

77° 💧 0.000 in 💨 2 mph H 96%30.06 inHg

5:00 AM

Mostly clear night

76° 💧 0.000 in 💨 2 mph H 97%30.06 inHg

6:00 AM

Mostly clear night

77° 💧 0.003 in 💨 2 mph H 95%30.06 inHg

7:00 AM

Clear night

77° 💧 0.000 in 💨 2 mph H 95%30.06 inHg

8:00 AM

Sunny

78° 💧 None 💨 2 mph H 92%30.06 inHg

9:00 AM

Sunny

81° 💧 None 💨 3 mph H 84%30.06 inHg

10:00 AM

Mostly sunny

84° 💧 0.003 in 💨 5 mph H 77%30.09 inHg

11:00 AM

Light rain

85° 💧 0.010 in 💨 6 mph H 74%30.09 inHg

12:00 PM

Light rain

85° 💧 0.011 in 💨 7 mph H 74%30.09 inHg

1:00 PM

Light rain

83° 💧 0.066 in 💨 6 mph H 82%30.09 inHg

2:00 PM

Light rain

85° 💧 0.008 in 💨 7 mph H 78%30.06 inHg

3:00 PM

Light thunderstorms

85° 💧 0.004 in 💨 8 mph H 74%30.00 inHg

4:00 PM

Light thunderstorms

83° 💧 0.026 in 💨 8 mph H 81%30.00 inHg

5:00 PM

Light rain

83° 💧 0.006 in 💨 7 mph H 79%30.00 inHg

6:00 PM

Light thunderstorms

82° 💧 0.004 in 💨 7 mph H 79%30.00 inHg

7:00 PM

Overcast

81° 💧 0.002 in 💨 5 mph H 83%30.00 inHg

8:00 PM

Overcast night

79° 💧 0.000 in 💨 3 mph H 90%30.00 inHg

9:00 PM

Overcast night

78° 💧 None 💨 2 mph H 93%30.00 inHg

10:00 PM

Partly cloudy night

78° 💧 None 💨 4 mph H 95%30.00 inHg

11:00 PM

Overcast night

77° 💧 None 💨 6 mph H 96%30.03 inHg

Friday

12:00 AM

Overcast night

77° 💧 None 💨 6 mph H 96%30.00 inHg

1:00 AM

Overcast night

76° 💧 None 💨 5 mph H 98%30.00 inHg

2:00 AM

Mostly cloudy night

76° 💧 None 💨 4 mph H 98%30.00 inHg

3:00 AM

Overcast night

75° 💧 None 💨 3 mph H 98%29.97 inHg

4:00 AM

Overcast night

75° 💧 None 💨 3 mph H 99%29.97 inHg

5:00 AM

Fog at night

75° 💧 None 💨 1 mph H 99%30.00 inHg

6:00 AM

Fog at night

75° 💧 0.000 in 💨 1 mph H 99%30.00 inHg

7:00 AM

Fog at night

75° 💧 None 💨 2 mph H 99%30.00 inHg

8:00 AM

Fog

76° 💧 None 💨 2 mph H 98%30.00 inHg

9:00 AM

Mist

79° 💧 0.001 in 💨 3 mph H 91%30.03 inHg

10:00 AM

Light rain

82° 💧 0.006 in 💨 3 mph H 83%30.03 inHg

11:00 AM

Light rain

84° 💧 0.012 in 💨 3 mph H 76%30.03 inHg

12:00 PM

Light rain

86° 💧 0.009 in 💨 3 mph H 72%30.03 inHg

1:00 PM

Light thunderstorms

87° 💧 0.007 in 💨 5 mph H 69%30.00 inHg

2:00 PM

Light thunderstorms

81° 💧 0.085 in 💨 8 mph H 89%30.00 inHg

3:00 PM

Light thunderstorms

79° 💧 0.087 in 💨 5 mph H 96%29.97 inHg

4:00 PM

Light rain

82° 💧 0.023 in 💨 5 mph H 86%29.94 inHg

5:00 PM

Light thunderstorms

83° 💧 0.011 in 💨 8 mph H 81%29.94 inHg

6:00 PM

Light thunderstorms

79° 💧 0.067 in 💨 6 mph H 91%29.97 inHg

7:00 PM

Light rain

77° 💧 0.046 in 💨 6 mph H 96%29.97 inHg

8:00 PM

Light rain

76° 💧 0.020 in 💨 3 mph H 97%29.94 inHg

11:00 PM

Overcast night

76° 💧 None 💨 4 mph H 97%30.00 inHg

Saturday

2:00 AM

Partly cloudy night

75° 💧 None 💨 4 mph H 98%29.97 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 3 mph H 98%29.97 inHg

8:00 AM

Mostly cloudy

75° 💧 None 💨 3 mph H 99%30.00 inHg

11:00 AM

Mostly cloudy

82° 💧 None 💨 2 mph H 79%30.06 inHg

2:00 PM

Moderate rain

81° 💧 None 💨 9 mph H 85%30.03 inHg

5:00 PM

Mostly cloudy

83° 💧 None 💨 9 mph H 81%30.00 inHg

8:00 PM

Light rain

77° 💧 None 💨 1 mph H 96%30.00 inHg

11:00 PM

Overcast night

76° 💧 None 💨 4 mph H 97%30.06 inHg

Sunday

2:00 AM

Overcast night

75° 💧 None 💨 4 mph H 97%30.00 inHg

5:00 AM

Overcast night

75° 💧 None 💨 3 mph H 99%30.03 inHg

8:00 AM

Overcast

76° 💧 None 💨 3 mph H 98%30.06 inHg

11:00 AM

Overcast

83° 💧 None 💨 1 mph H 77%30.09 inHg

2:00 PM

Light rain

83° 💧 None 💨 7 mph H 80%30.06 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 8 mph H 79%30.00 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 86%30.03 inHg

11:00 PM

Partly cloudy night

78° 💧 None 💨 3 mph H 94%30.06 inHg

Monday

2:00 AM

Mostly cloudy night

76° 💧 None 💨 2 mph H 97%30.03 inHg

5:00 AM

Mostly cloudy night

75° 💧 None 💨 3 mph H 98%30.03 inHg

8:00 AM

Partly cloudy

77° 💧 None 💨 3 mph H 96%30.09 inHg

11:00 AM

Overcast

85° 💧 None 💨 3 mph H 73%30.09 inHg

2:00 PM

Mostly cloudy

83° 💧 None 💨 9 mph H 80%30.09 inHg

5:00 PM

Overcast

83° 💧 None 💨 3 mph H 77%30.00 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 5 mph H 87%30.03 inHg

Tuesday

2:00 AM

Clear night

78° 💧 None 💨 3 mph H 95%30.06 inHg

8:00 AM

Overcast

76° 💧 None 💨 3 mph H 99%30.09 inHg

2:00 PM

Light rain

83° 💧 None 💨 6 mph H 78%30.09 inHg

8:00 PM

Partly cloudy night

80° 💧 None 💨 5 mph H 85%30.03 inHg

Wednesday

2:00 AM

Light rain

78° 💧 None 💨 3 mph H 94%30.06 inHg

8:00 AM

Overcast

76° 💧 None 💨 4 mph H 96%30.12 inHg

2:00 PM

Light rain

83° 💧 None 💨 9 mph H 75%30.09 inHg

8:00 PM

Overcast night

81° 💧 None 💨 6 mph H 81%30.06 inHg

Thursday

2:00 AM

Overcast night

79° 💧 None 💨 6 mph H 88%30.06 inHg

8:00 AM

Mostly sunny

79° 💧 None 💨 6 mph H 88%30.09 inHg

2:00 PM

Overcast

82° 💧 None 💨 8 mph H 78%30.09 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 6 mph H 84%30.06 inHg

Friday

2:00 AM

Mostly clear night

80° 💧 None 💨 5 mph H 86%30.06 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 5 mph H 86%30.06 inHg

2:00 PM

Light rain

84° 💧 None 💨 7 mph H 75%30.06 inHg

8:00 PM

Clear night

81° 💧 None 💨 5 mph H 85%30.00 inHg

Saturday

2:00 AM

Mostly clear night

80° 💧 None 💨 4 mph H 87%30.00 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 3 mph H 98%30.00 inHg

2:00 PM

Mostly sunny

85° 💧 None 💨 7 mph H 75%30.00 inHg

8:00 PM

Clear night

81° 💧 None 💨 7 mph H 84%29.97 inHg

Sunday

2:00 AM

Clear night

78° 💧 None 💨 4 mph H 94%29.97 inHg

8:00 AM

Partly cloudy

77° 💧 None 💨 3 mph H 98%30.00 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 77%30.00 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 85%30.00 inHg

Monday

2:00 AM

Clear night

79° 💧 None 💨 5 mph H 92%30.00 inHg

8:00 AM

Mostly sunny

79° 💧 None 💨 4 mph H 90%30.06 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 9 mph H 77%30.03 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 8 mph H 83%30.03 inHg

Tuesday

2:00 AM

Mostly cloudy night

80° 💧 None 💨 5 mph H 87%30.06 inHg

8:00 AM

Mostly cloudy

77° 💧 None 💨 4 mph H 94%30.09 inHg

2:00 PM

Partly cloudy

83° 💧 None 💨 9 mph H 76%30.06 inHg

8:00 PM

Light rain

80° 💧 None 💨 8 mph H 86%30.06 inHg

Wednesday

2:00 AM

Overcast night

80° 💧 None 💨 8 mph H 87%30.06 inHg

8:00 AM

Mostly cloudy

79° 💧 None 💨 4 mph H 92%30.06 inHg

2:00 PM

Light rain

82° 💧 None 💨 8 mph H 80%30.09 inHg

8:00 PM

Mostly cloudy night

81° 💧 None 💨 7 mph H 85%30.03 inHg

In St. Augustine South and, more broadly, across the state of Florida: Skies are mostly cloudy this evening, with temperatures remaining mild to warm, ranging from 78 to 81 degrees Fahrenheit. Light north winds will continue, generally blowing around 6 mph, with occasional gusts reaching up to 12 mph. There is a likelihood of rain developing tonight, with an estimated accumulation of about 0.2 inches. Conditions may become damp during the next few hours as the rain moves through. Temperatures are expected to hold steady, providing a relatively warm evening despite the clouds and rain chances. Overall, it will be a quiet night with mild temperatures and occasional light rain.

15-Day Weather Outlook for St. Augustine South

TomorrowTomorrow

Light thunderstorms 85°/76° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Light thunderstorms 87°/75° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 83°/74° 💧 0.569 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light rain 83°/75° 💧 0.216 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 85°/75° 💧 0.033 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Light rain 83°/76° 💧 0.040 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Light rain 83°/76° 💧 0.110 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Overcast 82°/79° 💧 0.106 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Light rain 84°/80° 💧 0.049 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 85°/78° 💧 0.044 in 💨 7 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 84°/77° 💧 0.058 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 84°/79° 💧 0.025 in 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 83°/77° 💧 0.161 in 💨 9 mph

Wednesday, Sep 23Wed Sep 23

Light rain 82°/79° 💧 0.279 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 81°/81° 💧 0.006 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Augustine South

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Augustine South

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

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

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

O₃ Ozone Good 21,5µg/m³

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

NO₂ Nitrogen dioxide Good 4,2µg/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. Augustine South

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 7,4High 😊Good

Tomorrow UV 8,8Very high 😊Good

Friday UV 6,7High 😊Good

Saturday UV 9,0Very high 😊Good

Sunday UV 9,0Very high 😊Good

Monday UV 9,0Very high —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

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

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.

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.

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. Augustine South

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. AUGUSTINE SOUTH, FLORIDA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.

93/100Best-hour score

BEST TIME TONIGHT 6:00 AM–7:00 AM Astronomical darkness: 9:00 PM–5:45 AM

☁ Cloud cover 9% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon about 6° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 77° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min77%

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

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Forecast data for St. Augustine South were last refreshed today at 5:28 AM. The current forecast period extends through 11/09/2026 at 3:00 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.