As of 20:37 EDT

Weather in Fort Jefferson, FL

80°

Fort Jefferson, Friday, 23 October, 20:37

Clear. Feels like 80°. High 80°, low 75°.

Pressure29.97 inHg

Wind18.1 mph NE

Humidity62%

Visibility6.2 mi

Dew point65°

Fri, 23October

80°/75°

Sat, 24October

80°/75°

Sun, 25October

80°/77°

Mon, 26October

81°/78°

Tue, 27October

81°/78°

Wed, 28October

81°/79°

Thu, 29October

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	78°	77°	76°	76°	76°	77°	78°	79°	79°	79°	79°	79°
Feels like	78°	78°	77°	76°	77°	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	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2	9.2
Humidity, %	68%	68%	68%	68%	68%	68%	68%	68%	68%	68%	68%	63%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	2.7 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	77°	77°	75°	77°	76°	78°	78°	78°	79°	79°	80°	80°
Feels like	78°	78°	75°	78°	76°	79°	79°	79°	79°	79°	80°	80°
Pressure, inHg	30.00	30.00	30.00	29.97	30.03	30.03	30.06	30.03	30.00	29.97	30.00	30.03
Wind, mph	7.8	8.4	6.7	9.4	9.1	11	9.6	9.8	9.1	8.8	9.4	9.6
Humidity, %	70%	72%	79%	76%	75%	72%	71%	69%	68%	66%	60%	61%
Precipitation	0 in	0.01 in	0.04 in	0 in	0.06 in	0.01 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	5.3 mi	4.8 mi	4.7 mi	4.6 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°	77°	77°	77°	78°	79°	79°	80°	80°	80°	79°
Feels like	79°	79°	78°	78°	78°	79°	79°	79°	80°	83°	80°	79°
Pressure, inHg	30.03	30.00	29.97	29.97	30.00	30.00	30.00	29.94	29.91	29.88	29.91	29.94
Wind, mph	9.3	8.9	8.6	8.4	8.8	8.7	8.5	9.2	9.5	9.7	10.5	12.1
Humidity, %	64%	65%	71%	74%	73%	69%	65%	69%	68%	68%	74%	76%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0.01 in	0.02 in	0.01 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	4.5 mi	6.2 mi	5.2 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°	78°	78°	78°	78°	78°	78°	79°	80°	81°	81°	79°
Feels like	80°	80°	80°	80°	80°	80°	80°	79°	84°	85°	84°	79°
Pressure, inHg	29.94	29.91	29.91	29.91	29.94	29.97	29.97	29.91	29.88	29.88	29.91	29.94
Wind, mph	12.4	10.8	10.1	9.6	10.2	10.8	10.8	10	10	9.9	10.2	11.2
Humidity, %	83%	82%	80%	80%	81%	81%	82%	79%	73%	72%	73%	78%
Precipitation	0.02 in	0 in	0 in	0 in	0 in	0 in	0 in	0.01 in	0 in	0.01 in	0.01 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	5.9 mi	3.4 mi	2.8 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°	79°	79°	78°	78°	78°	78°	78°	80°	81°	81°	81°
Feels like	80°	79°	80°	79°	79°	79°	79°	80°	80°	84°	85°	85°
Pressure, inHg	29.94	29.91	29.91	29.91	29.94	29.97	29.97	29.94	29.91	29.91	29.91	29.94
Wind, mph	11.8	12.2	12	11.8	11.5	11	10.7	10.7	10.2	9.8	9.4	12.2
Humidity, %	76%	79%	80%	80%	81%	81%	80%	79%	75%	71%	70%	79%
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	—

	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°	80°	80°	79°	79°	80°	80°	80°	80°	81°	81°	81°
Feels like	80°	84°	82°	79°	79°	80°	80°	81°	83°	86°	87°	86°
Pressure, inHg	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91	29.91
Wind, mph	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5	11.5
Humidity, %	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%
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	79°	80°	79°	79°	79°	79°	79°	79°	80°	81°	81°	81°
Feels like	79°	83°	81°	79°	79°	79°	79°	80°	82°	84°	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	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 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 25 min

Sunrise — 07:33

Sunset — 18:58

Sunrise and sunset in local time

Waxing gibbous, 95%

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)