As of 18:03 EDT

Weather in Fort Jefferson, FL

82°

Fort Jefferson, Saturday, 17 October, 18:03

Overcast. Feels like 90°. High 83°, low 79°.

Pressure29.91 inHg

Wind9 mph NE

Humidity80%

Visibility6.2 mi

Dew point76°

Sat, 17October

83°/79°

Sun, 18October

82°/78°

Mon, 19October

84°/79°

Tue, 20October

82°/79°

Wed, 21October

81°/78°

Thu, 22October

79°/76°

Fri, 23October

80°/77°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	82°	81°	81°	81°	81°	81°	82°	82°	82°	82°	82°	81°
Feels like	82°	87°	86°	86°	87°	87°	88°	89°	89°	89°	89°	86°
Pressure, inHg	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.91	29.97
Wind, mph	5	5	5	5	5	5	5	5	5	5	4.4	3.8
Humidity, %	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	82%	82%
Precipitation	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0 in	0.08 in
Visibility	—	—	—	—	—	—	—	—	—	—	6.2 mi	2.3 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	82°	80°	79°	80°	79°	81°	81°	82°	80°	80°	80°	81°
Feels like	89°	84°	79°	80°	79°	85°	86°	87°	80°	80°	85°	85°
Pressure, inHg	30.00	29.97	29.97	29.97	30.00	30.03	30.03	29.97	29.97	29.97	30.00	30.00
Wind, mph	3.7	5.4	6.2	6.1	8.5	10.2	10.5	9.5	9.2	9.6	9.1	9.9
Humidity, %	84%	80%	82%	78%	81%	79%	78%	75%	78%	80%	79%	78%
Precipitation	0.01 in	0.01 in	0.03 in	0.06 in	0.05 in	0.02 in	0.02 in	0.02 in	0.04 in	0.09 in	0.13 in	0.05 in
Visibility	4.6 mi	4.1 mi	3.9 mi	2.8 mi	2.4 mi	2.9 mi	3.8 mi	4.4 mi	2.0 mi	1.8 mi	2.2 mi	6.0 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	81°	81°	79°	79°	79°	81°	80°	81°	81°	81°	82°	84°
Feels like	86°	85°	79°	79°	79°	85°	80°	86°	85°	85°	86°	87°
Pressure, inHg	30.00	29.97	29.97	29.97	30.00	30.03	30.03	30.00	29.97	29.97	29.97	29.97
Wind, mph	12.1	12.3	10.3	11.3	11.1	11.9	10.4	10	8.1	8.4	8.7	9.9
Humidity, %	76%	76%	80%	79%	80%	76%	78%	76%	75%	73%	71%	62%
Precipitation	0.02 in	0.02 in	0.05 in	0.04 in	0.06 in	0 in	0.02 in	0.01 in	0.01 in	0.01 in	0 in	0 in
Visibility	6.2 mi	3.7 mi	2.3 mi	2.5 mi	3.6 mi	4.4 mi	4.8 mi	6.2 mi	6.2 mi	3.7 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	82°	81°	80°	80°	80°	80°	79°	80°	81°	81°	81°	82°
Feels like	86°	85°	84°	80°	80°	80°	79°	80°	83°	83°	83°	85°
Pressure, inHg	30.00	29.97	29.94	29.97	30.00	30.03	30.03	30.00	29.97	29.97	29.97	30.00
Wind, mph	10.8	10.8	11.2	11.2	11.2	10.5	10	9.2	8.6	8	8.1	8.3
Humidity, %	71%	74%	76%	76%	77%	76%	76%	71%	63%	58%	61%	60%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	81°	79°	79°	78°	78°	78°	78°	79°	79°	79°	80°	80°
Feels like	84°	79°	79°	79°	79°	79°	79°	79°	79°	79°	80°	82°
Pressure, inHg	30.00	29.97	29.97	29.97	30.00	30.00	30.00	30.00	29.97	29.94	30.00	30.00
Wind, mph	10.5	9.4	9	8.6	8.2	7.8	7.1	6.3	6.2	6.4	9.4	9.4
Humidity, %	69%	73%	71%	69%	68%	67%	65%	64%	60%	61%	64%	64%
Precipitation	0 in	0.01 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	78°	79°	78°	76°	77°	78°	78°	78°	78°	78°	79°	79°
Feels like	78°	79°	78°	77°	78°	78°	79°	79°	79°	79°	79°	79°
Pressure, inHg	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97
Wind, mph	8.6	8.6	8.6	8.6	8.6	8.6	8.6	8.6	8.6	8.6	8.6	8.6
Humidity, %	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	78°	78°	78°	77°	77°	78°	78°	78°	79°	79°	79°	79°
Feels like	78°	78°	78°	78°	78°	78°	79°	79°	79°	79°	79°	79°
Pressure, inHg	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97	29.97
Wind, mph	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.4
Humidity, %	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%	70%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 33 min

Sunrise — 07:30

Sunset — 19:03

Sunrise and sunset in local time

First quarter, 41%

Sunrise — —

Sunset — —

Fort Jefferson, FL climate by month

The annual average temperature in Fort Jefferson, FL is 76.5°. The warmest month is August (average high 84°), and the coldest is January (average low 68.1°). About 32.8 inches of precipitation fall per year, most of it in September (6.0 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	71.6°	68.1°	1.7 in	6	79.3° (2017)	49.5° (2003)
February	71.6°	68.2°	1.5 in	5	79.2° (2023)	50° (1996)
March	73.3°	70.4°	1.2 in	4	80.2° (2023)	54.7° (1980)
April	75.9°	73.4°	1.2 in	4	82.8° (2020)	60.1° (1987)
May	79.1°	76.7°	2.1 in	7	86° (2024)	66.4° (1992)
June	82.1°	79.3°	4.2 in	14	86.2° (2019)	73.4° (1984)
July	83.6°	80.6°	3.0 in	15	88.9° (2023)	74.7° (2022)
August	84°	80.7°	4.3 in	18	89.2° (2025)	75.2° (1984)
September	83.1°	79.9°	6.0 in	19	88.3° (2024)	74.5° (1983)
October	80.7°	77.9°	4.2 in	13	86.2° (2023)	65.7° (2008)
November	76.8°	74°	1.8 in	7	83.1° (2019)	56.8° (1970)
December	73.8°	70.7°	1.6 in	6	81° (2018)	52.9° (1962)