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Now · 2:40 AM

St. Augustine Weather & Hourly Forecast

United States · Florida · 32084

76°F

Mostly cloudy night

Feels like: 84°F

💧 Humidity 93% 🌡 Pressure 29.85 inHg 💨 Wind 4 mph 👁 Visibility 15.1 mi ☁ Clouds 67% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Augustine

Today

3:00 AM

Mostly cloudy night

76° 💧 0.000 in 💨 4 mph H 93%29.85 inHg

6:00 AM

Mostly cloudy night

75° 💧 0.001 in 💨 4 mph H 97%29.88 inHg

9:00 AM

Overcast

77° 💧 0.007 in 💨 7 mph H 89%29.94 inHg

12:00 PM

Overcast

82° 💧 0.128 in 💨 4 mph H 78%29.97 inHg

3:00 PM

Light rain

79° 💧 0.050 in 💨 7 mph H 87%29.94 inHg

6:00 PM

Overcast

80° 💧 0.003 in 💨 8 mph H 81%29.94 inHg

9:00 PM

Overcast night

79° 💧 0.012 in 💨 6 mph H 85%30.00 inHg

Tomorrow

12:00 AM

Overcast night

79° 💧 0.008 in 💨 6 mph H 85%30.03 inHg

3:00 AM

Mostly cloudy night

80° 💧 0.010 in 💨 8 mph H 85%30.00 inHg

6:00 AM

Light rain

77° 💧 0.032 in 💨 7 mph H 91%30.03 inHg

9:00 AM

Mostly cloudy

81° 💧 0.004 in 💨 8 mph H 82%30.06 inHg

12:00 PM

Light rain

83° 💧 0.037 in 💨 11 mph H 76%30.09 inHg

3:00 PM

Mostly cloudy

84° 💧 0.047 in 💨 11 mph H 77%30.06 inHg

6:00 PM

Overcast

82° 💧 0.008 in 💨 10 mph H 79%30.06 inHg

9:00 PM

Light rain

80° 💧 0.012 in 💨 7 mph H 83%30.09 inHg

Wednesday

12:00 AM

Overcast night

80° 💧 0.006 in 💨 7 mph H 85%30.12 inHg

Today

3:00 AM

Mostly cloudy night

76° 💧 0.000 in 💨 4 mph H 93%29.85 inHg

4:00 AM

Mostly cloudy night

76° 💧 0.000 in 💨 4 mph H 95%29.85 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 1 mph H 96%29.85 inHg

6:00 AM

Mostly cloudy night

75° 💧 None 💨 4 mph H 97%29.88 inHg

7:00 AM

Mostly cloudy night

74° 💧 None 💨 4 mph H 97%29.91 inHg

8:00 AM

Mostly cloudy

75° 💧 0.001 in 💨 3 mph H 96%29.94 inHg

9:00 AM

Overcast

77° 💧 0.001 in 💨 7 mph H 89%29.94 inHg

10:00 AM

Overcast

79° 💧 0.004 in 💨 1 mph H 85%29.97 inHg

11:00 AM

Overcast

81° 💧 0.002 in 💨 2 mph H 79%29.97 inHg

12:00 PM

Overcast

82° 💧 0.001 in 💨 4 mph H 78%29.97 inHg

1:00 PM

Light thunderstorms

80° 💧 0.035 in 💨 7 mph H 83%29.97 inHg

2:00 PM

Light thunderstorms

80° 💧 0.092 in 💨 5 mph H 87%29.97 inHg

3:00 PM

Light rain

79° 💧 0.035 in 💨 7 mph H 87%29.94 inHg

4:00 PM

Light rain

80° 💧 0.013 in 💨 8 mph H 84%29.94 inHg

5:00 PM

Overcast

81° 💧 0.003 in 💨 7 mph H 81%29.94 inHg

6:00 PM

Overcast

80° 💧 0.001 in 💨 8 mph H 81%29.94 inHg

7:00 PM

Overcast

80° 💧 0.001 in 💨 8 mph H 83%29.97 inHg

8:00 PM

Overcast night

79° 💧 0.001 in 💨 6 mph H 85%29.97 inHg

9:00 PM

Overcast night

79° 💧 0.003 in 💨 6 mph H 85%30.00 inHg

10:00 PM

Light rain

79° 💧 0.008 in 💨 7 mph H 85%30.03 inHg

11:00 PM

Overcast night

79° 💧 0.002 in 💨 7 mph H 85%30.03 inHg

Tomorrow

12:00 AM

Overcast night

79° 💧 0.002 in 💨 6 mph H 85%30.03 inHg

1:00 AM

Mostly cloudy night

79° 💧 0.004 in 💨 7 mph H 85%30.03 inHg

2:00 AM

Overcast night

80° 💧 0.002 in 💨 8 mph H 84%30.00 inHg

3:00 AM

Mostly cloudy night

80° 💧 0.003 in 💨 8 mph H 85%30.00 inHg

4:00 AM

Mostly cloudy night

80° 💧 0.001 in 💨 7 mph H 84%30.00 inHg

5:00 AM

Light rain

78° 💧 0.006 in 💨 6 mph H 86%30.03 inHg

6:00 AM

Light rain

77° 💧 0.027 in 💨 7 mph H 91%30.03 inHg

7:00 AM

Light rain

78° 💧 0.005 in 💨 6 mph H 89%30.03 inHg

8:00 AM

Mostly cloudy

79° 💧 0.000 in 💨 7 mph H 88%30.06 inHg

9:00 AM

Mostly cloudy

81° 💧 0.000 in 💨 8 mph H 82%30.06 inHg

10:00 AM

Overcast

82° 💧 0.001 in 💨 9 mph H 79%30.09 inHg

11:00 AM

Overcast

82° 💧 0.003 in 💨 10 mph H 79%30.09 inHg

12:00 PM

Light rain

83° 💧 0.011 in 💨 11 mph H 76%30.09 inHg

1:00 PM

Light rain

83° 💧 0.021 in 💨 11 mph H 78%30.09 inHg

2:00 PM

Light rain

83° 💧 0.005 in 💨 11 mph H 79%30.09 inHg

3:00 PM

Mostly cloudy

84° 💧 0.001 in 💨 11 mph H 77%30.06 inHg

4:00 PM

Light rain

81° 💧 0.041 in 💨 11 mph H 84%30.06 inHg

5:00 PM

Light rain

83° 💧 0.005 in 💨 10 mph H 80%30.06 inHg

6:00 PM

Overcast

82° 💧 0.003 in 💨 10 mph H 79%30.06 inHg

7:00 PM

Overcast

82° 💧 0.003 in 💨 8 mph H 78%30.06 inHg

8:00 PM

Overcast night

82° 💧 0.002 in 💨 7 mph H 79%30.09 inHg

9:00 PM

Light rain

80° 💧 0.010 in 💨 7 mph H 83%30.09 inHg

10:00 PM

Overcast night

80° 💧 0.002 in 💨 6 mph H 83%30.12 inHg

11:00 PM

Overcast night

80° 💧 None 💨 7 mph H 84%30.12 inHg

Wednesday

12:00 AM

Overcast night

80° 💧 None 💨 7 mph H 85%30.12 inHg

1:00 AM

Mostly cloudy night

80° 💧 0.002 in 💨 7 mph H 85%30.12 inHg

2:00 AM

Partly cloudy night

80° 💧 0.004 in 💨 6 mph H 86%30.12 inHg

3:00 AM

Mostly clear night

80° 💧 0.003 in 💨 5 mph H 86%30.12 inHg

4:00 AM

Mostly clear night

80° 💧 0.003 in 💨 5 mph H 87%30.09 inHg

5:00 AM

Clear night

79° 💧 0.003 in 💨 5 mph H 88%30.09 inHg

6:00 AM

Clear night

79° 💧 0.000 in 💨 4 mph H 88%30.12 inHg

7:00 AM

Mostly clear night

79° 💧 0.002 in 💨 4 mph H 88%30.12 inHg

8:00 AM

Mostly sunny

81° 💧 0.001 in 💨 5 mph H 87%30.15 inHg

9:00 AM

Mostly sunny

83° 💧 0.003 in 💨 6 mph H 79%30.15 inHg

10:00 AM

Light rain

84° 💧 0.005 in 💨 7 mph H 76%30.15 inHg

11:00 AM

Light rain

84° 💧 0.006 in 💨 7 mph H 77%30.15 inHg

12:00 PM

Mostly sunny

85° 💧 0.001 in 💨 7 mph H 76%30.15 inHg

1:00 PM

Mostly sunny

85° 💧 0.001 in 💨 7 mph H 76%30.15 inHg

2:00 PM

Light rain

85° 💧 0.006 in 💨 7 mph H 75%30.15 inHg

3:00 PM

Mostly sunny

85° 💧 0.002 in 💨 7 mph H 75%30.12 inHg

4:00 PM

Mostly sunny

85° 💧 0.002 in 💨 8 mph H 74%30.09 inHg

5:00 PM

Mostly sunny

85° 💧 0.001 in 💨 9 mph H 75%30.06 inHg

6:00 PM

Mostly sunny

84° 💧 0.001 in 💨 9 mph H 75%30.06 inHg

7:00 PM

Mostly sunny

83° 💧 0.002 in 💨 8 mph H 78%30.09 inHg

8:00 PM

Mostly clear night

82° 💧 0.001 in 💨 7 mph H 83%30.09 inHg

11:00 PM

Light rain

82° 💧 None 💨 8 mph H 82%30.09 inHg

Thursday

2:00 AM

Light rain

81° 💧 None 💨 8 mph H 86%30.06 inHg

5:00 AM

Overcast night

79° 💧 None 💨 5 mph H 90%30.06 inHg

8:00 AM

Mostly cloudy

79° 💧 None 💨 4 mph H 91%30.09 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 3 mph H 82%30.09 inHg

2:00 PM

Light rain

79° 💧 None 💨 4 mph H 90%30.06 inHg

5:00 PM

Mostly cloudy

82° 💧 None 💨 5 mph H 82%29.97 inHg

8:00 PM

Overcast night

82° 💧 None 💨 10 mph H 83%29.97 inHg

11:00 PM

Mostly cloudy night

81° 💧 None 💨 9 mph H 86%30.00 inHg

Friday

2:00 AM

Mostly clear night

79° 💧 None 💨 9 mph H 92%29.97 inHg

5:00 AM

Partly cloudy night

79° 💧 None 💨 8 mph H 92%29.97 inHg

8:00 AM

Overcast

78° 💧 None 💨 6 mph H 92%29.97 inHg

11:00 AM

Mostly cloudy

82° 💧 None 💨 1 mph H 80%30.00 inHg

2:00 PM

Partly cloudy

81° 💧 None 💨 8 mph H 87%29.97 inHg

5:00 PM

Partly cloudy

82° 💧 None 💨 7 mph H 83%29.91 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 17 mph H 85%29.94 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 9 mph H 92%29.97 inHg

Saturday

2:00 AM

Partly cloudy night

78° 💧 None 💨 7 mph H 93%29.97 inHg

5:00 AM

Mostly clear night

77° 💧 None 💨 6 mph H 93%29.97 inHg

8:00 AM

Partly cloudy

78° 💧 None 💨 5 mph H 93%30.00 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 4 mph H 85%30.03 inHg

2:00 PM

Light rain

81° 💧 None 💨 5 mph H 86%30.03 inHg

8:00 PM

Light thunderstorms

81° 💧 None 💨 11 mph H 86%30.00 inHg

Sunday

2:00 AM

Mostly cloudy night

80° 💧 None 💨 6 mph H 88%29.97 inHg

8:00 AM

Sunny

79° 💧 None 💨 9 mph H 94%30.00 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 6 mph H 94%30.06 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 8 mph H 88%30.06 inHg

Monday

2:00 AM

Light rain

80° 💧 None 💨 3 mph H 86%30.06 inHg

8:00 AM

Overcast

79° 💧 None 💨 4 mph H 95%30.06 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 4 mph H 94%30.09 inHg

8:00 PM

Light rain

80° 💧 None 💨 6 mph H 85%30.06 inHg

Tuesday

2:00 AM

Mostly cloudy night

81° 💧 None 💨 4 mph H 84%30.03 inHg

8:00 AM

Mostly sunny

80° 💧 None 💨 2 mph H 89%30.03 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 6 mph H 90%30.06 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 10 mph H 82%30.09 inHg

Wednesday

2:00 AM

Partly cloudy night

83° 💧 None 💨 11 mph H 80%30.06 inHg

8:00 AM

Light rain

83° 💧 None 💨 9 mph H 81%30.06 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 13 mph H 80%30.09 inHg

8:00 PM

Overcast night

81° 💧 None 💨 17 mph H 84%30.09 inHg

Thursday

2:00 AM

Light rain

82° 💧 None 💨 19 mph H 81%30.09 inHg

8:00 AM

Mostly cloudy

83° 💧 None 💨 16 mph H 85%30.06 inHg

2:00 PM

Mostly cloudy

83° 💧 None 💨 19 mph H 77%30.09 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 14 mph H 70%30.12 inHg

Friday

2:00 AM

Clear night

83° 💧 None 💨 12 mph H 73%30.03 inHg

8:00 AM

Mostly sunny

82° 💧 None 💨 10 mph H 74%30.00 inHg

2:00 PM

Light rain

81° 💧 None 💨 11 mph H 74%29.97 inHg

8:00 PM

Clear night

82° 💧 None 💨 8 mph H 68%29.94 inHg

Saturday

2:00 AM

Mostly clear night

82° 💧 None 💨 3 mph H 71%29.85 inHg

8:00 AM

Sunny

79° 💧 None 💨 8 mph H 84%29.80 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 11 mph H 90%29.80 inHg

8:00 PM

Light rain

80° 💧 None 💨 19 mph H 76%29.83 inHg

Sunday

2:00 AM

Mostly clear night

79° 💧 None 💨 22 mph H 72%29.85 inHg

8:00 AM

Mostly sunny

79° 💧 None 💨 24 mph H 67%29.88 inHg

2:00 PM

Sunny

76° 💧 None 💨 24 mph H 71%29.94 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 22 mph H 69%30.00 inHg

Monday

2:00 AM

Overcast night

79° 💧 None 💨 21 mph H 64%30.00 inHg

8:00 AM

Overcast

80° 💧 None 💨 19 mph H 66%30.00 inHg

2:00 PM

Overcast

81° 💧 None 💨 15 mph H 68%30.00 inHg

In St. Augustine and, more broadly, across the state of Florida: Temperatures will stay warm this evening, ranging from around 84 to 87 degrees. The sky will be mostly sunny with just a few clouds drifting through. Light west winds are expected, blowing at up to 7 mph, with gusts reaching around 15 mph. There is a slight chance of a brief rain shower, with an estimated total accumulation of about 0.01 inches and a maximum probability of 35%. People should be prepared for the possibility of a quick sprinkle, but widespread or heavy rain is not expected overnight. Overall, it will remain warm and relatively dry through the next few hours, with mild winds and mostly clear skies.

15-Day Weather Outlook for St. Augustine

TomorrowTomorrow

Light thunderstorms 83°/75° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light rain 82°/78° 💧 0.658 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Light rain 82°/79° 💧 0.138 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 82°/78° 💧 0.024 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Light rain 81°/77° 💧 0.094 in 💨 17 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 81°/79° 💧 0.731 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Light rain 81°/79° 💧 0.202 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Light rain 81°/80° 💧 0.031 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Light rain 83°/82° 💧 0.287 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Light rain 83°/81° 💧 0.302 in 💨 19 mph

Friday, Sep 18Fri Sep 18

Light rain 84°/81° 💧 0.028 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 82°/76° 💧 0.011 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Light rain 80°/76° 💧 0.082 in 💨 24 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 81°/76° 💧 None 💨 22 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Augustine

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Augustine

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 1,7µg/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 2,0µg/m³

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

O₃ Ozone Good 14,5µg/m³

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

NO₂ Nitrogen dioxide Good 3,8µg/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

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 6,1High 😊Good

Tomorrow UV 8,8Very high 🙂Fair

Wednesday UV 9,0Very high 🙂Fair

Thursday UV 9,3Very high 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 8,0Very high —Unavailable

Sunday UV 7,0High —Unavailable

Hourly UV index today

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

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.

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 St. Augustine

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. AUGUSTINE, FLORIDA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

72/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:03 PM–5:44 AM

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 20° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 78° 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 min65%

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. Augustine were last refreshed today at 2:40 AM. The current forecast period extends through 09/09/2026 at 12:00 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.