St. Augustine, Florida 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 82°F 28°C Heat Index: 89°F	Observed at: St. Augustine, FL	Elevation: 5 ft | 2 m
	Last Updated: July 27, 9:15 PM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 82°F | 28°C
	Pressure: 29.82 in | 1009.7 mb	Dewpoint: 76°F | 24°C
	Humidity: 81%	Wind: SSW 5 mph | SSW 8 kph
	Feels Like: 92°F | 33°C	Visibility: 36.3 mi | 58.4 km
	Lat/Long: 29.8947 | -81.3145	Sunrise: 6:41 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 4:27 PM 7/29/2026

Tonight Overcast 78 °F 13% Chance Precipitation Tuesday Overcast 93 |75 °F 16% Chance Precipitation Wednesday Showers 101 |77 °F 54% Chance Precipitation Thursday Showers 94 |75 °F 67% Chance Precipitation Friday Thunderstorm 101 |74 °F 47% Chance Precipitation Saturday Drizzle 97 |76 °F 67% Chance Precipitation Sunday Light Drizzle 91 |76 °F 49% Chance Precipitation

7 Hour Graphical Forecast

Valid: 4:27 PM 7/29/2026

4 PM Overcast 100 °F 30% Chance Precipitation

5 PM Light Drizzle 86 °F 30% Chance Precipitation

6 PM Showers 83 °F 30% Chance Precipitation

7 PM Light Drizzle 85 °F 30% Chance Precipitation

8 PM Drizzle 85 °F 30% Chance Precipitation

9 PM Showers 78 °F 54% Chance Precipitation

10 PM Light Showers 77 °F 54% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for St. Augustine, FL - (Fahrenheit & Celsius) Valid: 4:27 PM 7/29/2026 Tonight Overcast with a low around 78°F [26°C]. SSW wind to around 9 mph [15 kph], with gusts to near 18 mph [29 kph]. Chance of precipitation 13% with QPF of 0.00 in [0.0 mm]. Tuesday Overcast with a high near 93°F [34°C]. SSW wind to around 12 mph [20 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 76°F [24°C] with humidity of 95%. Pressure around 29.82 in [1009.7 mb]. UV Index: 8.25. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tuesday Night Overcast with a low around 75°F [24°C]. SSW wind to around 12 mph [20 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Wednesday Showers with a high near 101°F [39°C]. WSW wind to around 16 mph [25 kph], with gusts to near 27 mph [43 kph]. Dewpoint near 76°F [24°C] with humidity of 93%. Pressure around 29.82 in [1009.7 mb]. UV Index: 8.6. Chance of precipitation 54% with QPF of 0.36 in [9.1 mm]. Wednesday Night Showers with a low around 77°F [25°C]. WSW wind to around 16 mph [25 kph], with gusts to near 27 mph [43 kph]. Chance of precipitation 54% with QPF of 0.36 in [9.1 mm]. Thursday Showers with a high near 94°F [34°C]. SW wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Dewpoint near 76°F [24°C] with humidity of 95%. Pressure around 29.82 in [1009.7 mb]. UV Index: 8.15. Chance of precipitation 67% with QPF of 0.34 in [8.5 mm]. Thursday Night Showers with a low around 75°F [24°C]. SW wind to around 15 mph [24 kph], with gusts to near 28 mph [45 kph]. Chance of precipitation 67% with QPF of 0.34 in [8.5 mm]. Friday Thunderstorm with a high near 101°F [39°C]. SW wind to around 12 mph [19 kph], with gusts to near 24 mph [39 kph]. Dewpoint near 76°F [24°C] with humidity of 97%. Pressure around 29.82 in [1009.7 mb]. UV Index: 8.55. Chance of precipitation 47% with QPF of 0.15 in [3.8 mm]. Friday Night Thunderstorm with a low around 74°F [23°C]. SW wind to around 12 mph [19 kph], with gusts to near 24 mph [39 kph]. Chance of precipitation 47% with QPF of 0.15 in [3.8 mm]. Saturday Drizzle with a high near 97°F [36°C]. WSW wind to around 15 mph [24 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 76°F [24°C] with humidity of 95%. Pressure around 29.82 in [1009.7 mb]. UV Index: 7.85. Chance of precipitation 67% with QPF of 0.04 in [0.9 mm]. Saturday Night Drizzle with a low around 76°F [24°C]. WSW wind to around 15 mph [24 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 67% with QPF of 0.04 in [0.9 mm]. Sunday Light Drizzle with a high near 91°F [33°C]. SW wind to around 11 mph [18 kph], with gusts to near 25 mph [40 kph]. Dewpoint near 76°F [24°C] with humidity of 83%. Pressure around 29.82 in [1009.7 mb]. UV Index: 5.25. Chance of precipitation 49% with QPF of 0.08 in [2.1 mm]. Sunday Night Light Drizzle with a low around 76°F [24°C]. SW wind to around 11 mph [18 kph], with gusts to near 25 mph [40 kph]. Chance of precipitation 49% with QPF of 0.08 in [2.1 mm].

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7 Day and Night - QPF Forecast for St. Augustine, FL

Tonight: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

Wednesday: 9.1 mm | 0.36 in

Wednesday Night: 9.1 mm | 0.36 in

Thursday: 8.5 mm | 0.34 in

Thursday Night: 8.5 mm | 0.34 in

Friday: 3.8 mm | 0.15 in

Friday Night: 3.8 mm | 0.15 in

Saturday: 0.9 mm | 0.04 in

Saturday Night: 0.9 mm | 0.04 in

Sunday: 2.1 mm | 0.08 in

Sunday Night: 2.1 mm | 0.08 in

7 Day and Night - Maximum Wind Speed Forecast for St. Augustine, FL

Tonight: SSW @ 15 kph | 9 mph

Tuesday: SSW @ 20 kph | 12 mph

Tuesday Night: SSW @ 20 kph | 12 mph

Wednesday: WSW @ 25 kph | 16 mph

Wednesday Night: WSW @ 25 kph | 16 mph

Thursday: SW @ 24 kph | 15 mph

Thursday Night: SW @ 24 kph | 15 mph

Friday: SW @ 19 kph | 12 mph

Friday Night: SW @ 19 kph | 12 mph

Saturday: WSW @ 24 kph | 15 mph

Saturday Night: WSW @ 24 kph | 15 mph

Sunday: SW @ 18 kph | 11 mph

Sunday Night: SW @ 18 kph | 11 mph

7 Day and Night - Maximum Humidity Forecast for St. Augustine, FL

Tonight: 91 %

Tuesday: 95 %

Tuesday Night: 95 %

Wednesday: 93 %

Wednesday Night: 93 %

Thursday: 95 %

Thursday Night: 95 %

Friday: 97 %

Friday Night: 97 %

Saturday: 95 %

Saturday Night: 95 %

Sunday: 83 %

Sunday Night: 83 %

7 Day and Night - Snowfall Totals Forecast for St. Augustine, FL

Tonight: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

Wednesday: 0.0 cm | 0.00 in

Wednesday Night: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

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