St. Marks, FL

Hourly

10 AM

79° RealFeel® 90° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 6% Mostly sunny

• RealFeel Shade™: 85°
• Wind: E 7 mph
• Air Quality: Excellent
• Max UV Index: 5 (Moderate)
• Wind Gusts: 9 mph
• Humidity: 85%
• Indoor Humidity: 85% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 10%
• Visibility: 10 mi
• Cloud Ceiling: 33300 ft

11 AM

83° RealFeel® 95° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 5% Mostly sunny

• RealFeel Shade™: 89°
• Wind: E 7 mph
• Air Quality: Excellent
• Max UV Index: 8 (Very High)
• Wind Gusts: 9 mph
• Humidity: 74%
• Indoor Humidity: 74% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 9 (Very Bright)
• Cloud Cover: 24%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

12 PM

87° RealFeel® 99° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 5% Partly sunny

• RealFeel Shade™: 92°
• Wind: E 7 mph
• Air Quality: Excellent
• Max UV Index: 11 (Extreme)
• Wind Gusts: 10 mph
• Humidity: 64%
• Indoor Humidity: 64% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 43%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

1 PM

91° RealFeel® 102° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 8% Intermittent clouds

• RealFeel Shade™: 95°
• Wind: ESE 8 mph
• Air Quality: Excellent
• Max UV Index: 12 (Extreme)
• Wind Gusts: 12 mph
• Humidity: 54%
• Indoor Humidity: 54% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 59%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

2 PM

93° RealFeel® 103° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 47% Intermittent clouds

• RealFeel Shade™: 96°
• Wind: ESE 8 mph
• Air Quality: Excellent
• Max UV Index: 10 (Very High)
• Wind Gusts: 14 mph
• Humidity: 50%
• Indoor Humidity: 50% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 64%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

3 PM

92° RealFeel® 98° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 51% Mostly cloudy w/ t-storms

• RealFeel Shade™: 93°
• Wind: SE 8 mph
• Air Quality: Excellent
• Max UV Index: 4 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 51%
• Indoor Humidity: 51% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 60%
• Rain: 0.04 in
• Visibility: 6 mi
• Cloud Ceiling: 4000 ft

4 PM

95° RealFeel® 103° Very Hot RealFeel Guide Very Hot 101° to 107° Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 47% Intermittent clouds

• RealFeel Shade™: 98°
• Wind: SE 8 mph
• Air Quality: Excellent
• Max UV Index: 5 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 46%
• Indoor Humidity: 46% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 55%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

5 PM

93° RealFeel® 100° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 14% Intermittent clouds

• RealFeel Shade™: 96°
• Wind: SSE 8 mph
• Air Quality: Excellent
• Max UV Index: 3 (Moderate)
• Wind Gusts: 13 mph
• Humidity: 49%
• Indoor Humidity: 49% (Very Humid)
• Dew Point: 71° F
• AccuLumen Brightness Index™: 8 (Bright)
• Cloud Cover: 52%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

6 PM

92° RealFeel® 98° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 14% Intermittent clouds

• RealFeel Shade™: 96°
• Wind: SSE 7 mph
• Air Quality: Excellent
• Max UV Index: 2 (Low)
• Wind Gusts: 12 mph
• Humidity: 51%
• Indoor Humidity: 51% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 7 (Bright)
• Cloud Cover: 53%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

7 PM

90° RealFeel® 96° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 10% Intermittent clouds

• RealFeel Shade™: 96°
• Wind: S 7 mph
• Air Quality: Excellent
• Max UV Index: 1 (Low)
• Wind Gusts: 9 mph
• Humidity: 56%
• Indoor Humidity: 56% (Extremely Humid)
• Dew Point: 72° F
• AccuLumen Brightness Index™: 4 (Dull)
• Cloud Cover: 55%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

87° RealFeel® 93° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 3% Intermittent clouds

• RealFeel Shade™: 93°
• Wind: SSW 6 mph
• Air Quality: Excellent
• Max UV Index: 0 (Low)
• Wind Gusts: 7 mph
• Humidity: 63%
• Indoor Humidity: 63% (Extremely Humid)
• Dew Point: 73° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 56%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

85° RealFeel® 92° Hot RealFeel Guide Hot 90° to 100° Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities. LEARN MORE 3% Intermittent clouds

• Wind: SSW 6 mph
• Air Quality: Excellent
• Wind Gusts: 7 mph
• Humidity: 68%
• Indoor Humidity: 68% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 55%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

82° RealFeel® 89° Very Warm RealFeel Guide Very Warm 82° to 89° Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine. LEARN MORE 3% Partly cloudy

• Wind: SW 5 mph
• Air Quality: Excellent
• Wind Gusts: 6 mph
• Humidity: 76%
• Indoor Humidity: 76% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 49%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

79° RealFeel® 86° Very Warm RealFeel Guide Very Warm 82° to 89° Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine. LEARN MORE 3% Partly cloudy

• Wind: WSW 4 mph
• Air Quality: Excellent
• Wind Gusts: 5 mph
• Humidity: 83%
• Indoor Humidity: 83% (Extremely Humid)
• Dew Point: 74° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 35%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft