Cities › Florida › St. Petersburg

St. Petersburg Running Weather

Tuesday, July 21, 2026 · Hour-by-hour forecast updated 9:26 AM EDT

Best Time to Run in St. Petersburg Today

6 AM

78°F and clear at peak. Wind 7 mph from the SE, dew point 74°F.

Peak FitScore

Temperature

78°F / feels 85°

Wind

7 mph SE, gusts 18

Dew Point

74°F — miserable

Humidity

89%

UV Index

0 — Low

Air Quality

60 AQI — Moderate

Hourly running conditions

TimeTempFeels WindRainDew PtCondition Score

9 AM

☁️

83°

90°

12 S g29

10%

77°F

Overcast

☁️ 9 AM

83° feels 90° 12 mph S 10% rain

10 AM

☁️

84°

91°

14 S g29

13%

77°F

Overcast

☁️ 10 AM

84° feels 91° 14 mph S 13% rain

11 AM

☁️

85°

91°

14 S g28

77°F

Overcast

☁️ 11 AM

85° feels 91° 14 mph S 8% rain

12 PM

☁️

86°

95°

15 S g27

78°F

Overcast

☁️ 12 PM

86° feels 95° 15 mph S 7% rain

1 PM

⛅

87°

95°

15 S g25

78°F

Partly Cloudy

⛅ 1 PM

87° feels 95° 15 mph S 9% rain

2 PM

☀️

88°

95°

15 S g26

10%

77°F

Clear

☀️ 2 PM

88° feels 95° 15 mph S 10% rain

3 PM

☀️

89°

97°

17 S g28

76°F

Clear

☀️ 3 PM

89° feels 97° 17 mph S 7% rain

4 PM

☀️

88°

96°

17 S g28

77°F

Clear

☀️ 4 PM

88° feels 96° 17 mph S 7% rain

5 PM

☀️

88°

96°

15 SSW g25

77°F

Clear

☀️ 5 PM

88° feels 96° 15 mph SSW 4% rain

6 PM

☀️

87°

93°

14 SSW g23

77°F

Clear

☀️ 6 PM

87° feels 93° 14 mph SSW 3% rain

7 PM

☀️

85°

92°

11 SSW g22

76°F

Clear

☀️ 7 PM

85° feels 92° 11 mph SSW 3% rain

8 PM

🌙

82°

90°

7 SSW g20

75°F

Clear

🌙 8 PM

82° feels 90° 7 mph SSW 3% rain

80–100 Excellent 60–79 Good 40–59 Fair Below 40 Poor

7-day running forecast

Today

Jul 21

☁️

89° / 78°

🏃

☁️

Today Jul 21

89° / 78°

🏃

Wed

Jul 22

☁️

91° / 77°

🏃

☁️

Wed Jul 22

91° / 77°

🏃

Thu

Jul 23

🌧️

92° / 81°

🏃 6–9 AM

🌧️

Thu Jul 23

92° / 81°

🏃 6–9 AM

Fri

Jul 24

🌧️

94° / 80°

🏃 6–9 AM

🌧️

Fri Jul 24

94° / 80°

🏃 6–9 AM

Sat

Jul 25

🌧️

91° / 82°

🏃 6–9 AM

🌧️

Sat Jul 25

91° / 82°

🏃 6–9 AM

Sun

Jul 26

🌧️

91° / 84°

🏃 6–9 AM

🌧️

Sun Jul 26

91° / 84°

🏃 6–9 AM

Mon

Jul 27

☁️

90° / 82°

🏃 6–9 AM 💧 33%

☁️

Mon Jul 27

90° / 82°

🏃 6–9 AM 💧 33%

Get St. Petersburg's forecast every evening

Stop checking the weather. Start laying out your gear.

FitCast texts you tomorrow's hour-by-hour forecast every evening so you know exactly what to expect before your alarm goes off.

Try FitCast Free for 1 Week $2.99/mo after · Cancel anytime

FitCast

iMessage

🌤 Tomorrow in St. Petersburg: Best window: 9–11 AM (FitScore 95) 6am: 48°F, feels 45° — NW 8mph 9am: 58°F, feels 56° — W 12mph 12pm: 66°F, feels 65° — SW 8mph ☔ Rain likely after 3pm.

Yesterday 8:14 PM Nightly

St. Petersburg running weather FAQ

What's the best time to run in St. Petersburg today?

Based on today's FitScore analysis, the best time to run is 6 AM with a peak FitScore of 49/100. Check the hourly breakdown above for detailed conditions throughout the day.

What months are best for running in St. Petersburg?

The best months for running in St. Petersburg are March, April, October, November. The most challenging months are typically July, August. Dew points routinely exceed 70°F in summer. Run before 8 AM or wait for evening cooldown.

What is the FitScore?

FitScore rates each hour from 0–100 for outdoor exercise based on temperature, humidity, dew point, wind, precipitation probability, UV index, and air quality. Higher scores mean better conditions.

Nearby:Tampa, FL Cape Coral, FL Orlando, FL

fitcast.fit · Your run, forecasted. · Live Map · Privacy · Terms