Saint Augustine, FL Weather Tomorrow

Keep up with changing weather in Saint Augustine using tomorrow's forecast and the next 5 days of precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Saint Augustine area and around St. Johns county, Florida.
Updated: Tue Oct 13th 2026 11:30 PM EDT
Saint Augustine, FL Weather – 10-13 – Sunny
80° / 74°
Sunny
Saint Augustine, FL Weather – 10-14 – Sunny
80° / 77°

Weather Tomorrow

Sunny
Daytime highs will reach 80°F with lows dropping to 77°F in Saint Augustine, where it will be sunny. There's a very small chance of rainfall, only about 6% with an estimated 0in. Winds will be light at 9mph and gusts of 18.8mph at 1 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 78% at 12 AM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 30.11inHg at 10 AM, a lowest point of 30.03inHg at 4 AM with an avg 30.07inHg.
Saint Augustine, FL Weather – 10-15 – Sunny
80° / 77°
Sunny
It will be sunny in Saint Augustine, with a high of 80°F and a low of 77°F. There's a very small chance of rainfall, only about 7% with an estimated 0in. Winds will be light at 9mph and gusts of 18.3mph at 2 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 77% at 11 PM and 63% being its lowest at 1 PM. Barometric pressure is its highest of 30.13inHg at 10 AM, a lowest point of 30.06inHg at 4 AM with an avg 30.08inHg.
Saint Augustine, FL Weather – 10-16 – Sunny
81° / 74°
Sunny
In Saint Augustine, bright and sunny conditions with highs near 81°F and lows around 74°F. There might be light rainfall having a 17% chance with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 20.4mph at 3 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 84% at 8 AM and 63% being its lowest at 1 PM. Barometric pressure is its highest of 30.09inHg at 10 AM, a lowest point of 29.94inHg at 6 PM with an avg 30.02inHg.
Saint Augustine, FL Weather – 10-17 – Overcast
78° / 71°
Overcast
Daytime highs will reach 78°F with lows dropping to 71°F in Saint Augustine, where it will be overcast. There's a moderate 45% chance of rainfall with an estimated 0.02in. Winds will be strong at speeds peaking at 28mph and gusts of 30.1mph at 7 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 81% at 12 AM and 57% being its lowest at 12 PM. Barometric pressure is its highest of 30.24inHg at 10 PM, a lowest point of 29.98inHg at 4 AM with an avg 30.12inHg.
Saint Augustine, FL Weather – 10-18 – Scattered Showers
77° / 73°
Scattered Showers
In Saint Augustine, on and off showers are set to occur with highs near 77°F and lows around 73°F. Rainfall predicted to have a 67% chance with an estimated 0.08in. Winds will be strong at speeds peaking at 25mph and gusts of 26.7mph at 9 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 73% at 8 AM and 67% being its lowest at 3 AM. Barometric pressure is its highest of 30.27inHg at 10 AM, a lowest point of 30.21inHg at 4 AM with an avg 30.23inHg.

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