Saint Petersburg Beach, FL Weather Forecast for 5-Days

Updated: Sat Apr 18th 2026 3:15 PM EDT

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Saint Petersburg Beach, FL Weather – 4-18 – Sunny
88° / 65°
Sunny
Sunshine is in the forecast for Saint Petersburg Beach, with a high of 88°F and a low of 65°F. Wind will be moderate, blowing around 14mph on average and gusts of 19.4mph at 6 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 80% at 11 PM and 72% being its lowest at 7 PM. Barometric pressure is its highest of 29.99inHg at 10 PM, a lowest point of 29.95inHg at 5 PM with an avg 29.97inHg.
Saint Petersburg Beach, FL Weather – 4-19 – Sunny
77° / 69°

Weather Tomorrow

Sunny
Daytime highs will reach 77°F with lows dropping to 69°F in Saint Petersburg Beach, where it will be sunny. Wind will be moderate, blowing around 17mph on average and gusts of 21.7mph at 8 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 79% at 12 AM and 61% being its lowest at 6 PM. Barometric pressure is its highest of 30.06inHg at 10 AM, a lowest point of 29.98inHg at 5 PM with an avg 30.02inHg.
Saint Petersburg Beach, FL Weather – 4-20 – Partly Cloudy
79° / 70°
Partly Cloudy
Saint Petersburg Beach is set for cloudy skies with temperatures peaking at 79°F and dipping to 70°F. Winds will be strong at speeds peaking at 25mph and gusts of 32.3mph at 8 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 82% at 6 AM and 55% being its lowest at 2 PM. Barometric pressure is its highest of 30.2inHg at 11 PM, a lowest point of 30.03inHg at 2 AM with an avg 30.1inHg.
Saint Petersburg Beach, FL Weather – 4-21 – Sunny
80° / 67°
Sunny
Bright and sunny conditions in Saint Petersburg Beach, with a high of 80°F and a low of 67°F. Winds will be strong at speeds peaking at 25mph and gusts of 33.5mph at 9 PM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 66% at 6 AM and 39% being its lowest at 3 PM. Barometric pressure is its highest of 30.24inHg at 8 AM, a lowest point of 30.13inHg at 5 PM with an avg 30.19inHg.
Saint Petersburg Beach, FL Weather – 4-22 – Partly Cloudy
76° / 67°
Partly Cloudy
Daytime highs will reach 76°F with lows dropping to 67°F in Saint Petersburg Beach, where it will be cloudy. Winds will be strong at speeds peaking at 24mph and gusts of 30.3mph at 5 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 64% at 6 AM and 47% being its lowest at 1 PM. Barometric pressure is its highest of 30.2inHg at 12 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.13inHg.
Saint Petersburg Beach, FL Weather – 4-23 – Sunny
81° / 68°
Sunny
Saint Petersburg Beach is set for a sunny day with temperatures peaking at 81°F and dipping to 68°F. Winds will be strong at speeds peaking at 21mph and gusts of 28mph at 8 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 72% at 8 AM and 46% being its lowest at 5 PM. Barometric pressure is its highest of 30.09inHg at 11 AM, a lowest point of 29.95inHg at 5 PM with an avg 30.04inHg.

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