As of 13:48 EDT

Weather in Fort Jefferson, FL

79°

Fort Jefferson, Wednesday, 21 October, 13:48

Mostly clear. Feels like 79°. High 80°, low 76°.

Pressure30.00 inHg

Wind14.2 mph NE

Humidity64%

Visibility6.2 mi

Dew point66°

Wed, 21October

80°/76°

Thu, 22October

81°/77°

Fri, 23October

81°/77°

Sat, 24October

80°/76°

Sun, 25October

80°/78°

Mon, 26October

81°/78°

Tue, 27October

81°/79°

	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	79°	78°	77°	76°	77°	78°	79°	79°	79°	79°	78°	78°
Feels like	79°	79°	78°	77°	77°	78°	79°	79°	79°	79°	78°	78°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	29.97	29.94	29.97	30.00
Wind, mph	9.1	9.1	9.1	9.1	9.1	9.1	9.1	6.4	6.7	6.9	6	5.5
Humidity, %	63%	63%	63%	63%	63%	63%	63%	64%	65%	64%	62%	58%
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

	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	79°	80°	80°	79°	77°	77°	78°	78°	78°	78°	78°	79°
Feels like	79°	82°	80°	79°	78°	78°	79°	79°	79°	78°	78°	79°
Pressure, inHg	29.97	29.97	29.94	29.94	29.97	30.00	30.03	29.97	29.94	29.94	29.97	30.00
Wind, mph	6.2	5.9	5.8	4.5	6.8	6.5	6.2	6.2	6.4	7.1	6.9	6.3
Humidity, %	58%	55%	58%	64%	77%	72%	69%	70%	71%	71%	63%	52%
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	79°	79°	78°	77°	77°	77°	78°	77°	78°	78°	79°	80°
Feels like	79°	79°	79°	78°	78°	78°	78°	78°	78°	79°	79°	80°
Pressure, inHg	29.97	29.97	29.94	29.94	29.97	30.03	30.03	30.00	29.97	29.94	29.97	30.00
Wind, mph	6.1	7.2	7	8.1	8.8	9	8	7	6.7	7.4	7.6	8
Humidity, %	60%	65%	67%	72%	70%	69%	68%	67%	66%	64%	61%	59%
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	80°	78°	78°	77°	76°	77°	77°	77°	78°	78°	79°	80°
Feels like	82°	79°	78°	78°	77°	78°	78°	78°	78°	79°	79°	80°
Pressure, inHg	30.00	30.00	29.97	30.00	30.00	30.03	30.06	30.00	29.97	29.97	29.97	30.00
Wind, mph	9.1	10.3	9.8	9.9	10.4	9.4	9	9.2	9.4	9.3	9.7	8.8
Humidity, %	60%	68%	68%	71%	73%	70%	69%	70%	66%	65%	62%	60%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0.01 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	79°	78°	78°	78°	79°	78°	79°	79°	79°	79°	79°	79°
Feels like	79°	79°	79°	79°	79°	79°	80°	79°	79°	79°	79°	79°
Pressure, inHg	30.00	29.97	29.97	29.97	29.97	30.00	29.97	29.94	29.94	29.94	29.94	29.94
Wind, mph	8.3	7.9	7.9	8.3	9.1	9.6	9.7	10	10	10	10	10
Humidity, %	60%	63%	68%	69%	68%	71%	73%	73%	73%	73%	73%	73%
Precipitation	0 in	0 in	0 in	0.03 in	0.03 in	0.01 in	0 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	4.9 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	79°	80°	79°	78°	79°	79°	79°	80°	80°	81°	81°	80°
Feels like	79°	80°	80°	80°	80°	80°	80°	80°	82°	84°	84°	82°
Pressure, inHg	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94
Wind, mph	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
Humidity, %	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%	75%
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	81°	80°	80°	79°	80°	80°	80°	81°	81°	81°	81°	81°
Feels like	81°	84°	82°	79°	81°	82°	84°	85°	85°	85°	85°	85°
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	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9	10.9
Humidity, %	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%
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 27 min

Sunrise — 07:32

Sunset — 18:59

Sunrise and sunset in local time

Waxing gibbous, 80%

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)