As of 11:40 EDT

Weather in Fort Jefferson, FL

79°

Fort Jefferson, Sunday, 25 October, 11:40

Partly cloudy. Feels like 79°. High 81°, low 77°.

Pressure30.00 inHg

Wind20.6 mph NE

Humidity69%

Visibility4.3 mi

Dew point68°

Sun, 25October

81°/77°

Mon, 26October

82°/78°

Tue, 27October

81°/78°

Wed, 28October

81°/78°

Thu, 29October

81°/80°

Fri, 30October

80°/79°

Sat, 31October

80°/80°

	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°	78°	79°	79°	80°	81°	81°	80°
Feels like	79°	80°	78°	77°	78°	78°	79°	80°	80°	84°	84°	84°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	29.97	29.94	29.91	29.94	29.97
Wind, mph	13.2	13.2	13.2	13.2	13.2	13.2	9.2	10.5	10.2	11.3	12.5	13.2
Humidity, %	70%	70%	70%	70%	70%	70%	69%	73%	72%	70%	70%	74%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.02 in	0.03 in	0 in	0 in	0.02 in	0.04 in
Visibility	—	—	—	—	—	—	4.3 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°	78°	79°	79°	79°	80°	81°	80°	81°	80°
Feels like	79°	80°	80°	80°	80°	79°	79°	80°	85°	84°	84°	84°
Pressure, inHg	29.97	29.94	29.94	29.94	29.97	30.00	30.00	29.94	29.91	29.94	29.94	29.97
Wind, mph	13.1	12.8	12.4	12.6	12.7	12.5	11.7	11.2	10.4	10.4	10.1	11.9
Humidity, %	75%	79%	80%	79%	79%	79%	80%	75%	69%	74%	71%	72%
Precipitation	0 in	0 in	0 in	0 in	0 in	0.01 in	0 in	0 in	0 in	0 in	0 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	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°	78°	78°	79°	79°	80°	80°	81°	80°
Feels like	79°	80°	79°	79°	79°	80°	80°	79°	84°	80°	84°	80°
Pressure, inHg	29.97	29.97	29.94	29.94	29.97	30.00	30.00	29.94	29.91	29.91	29.94	29.94
Wind, mph	11.9	12.4	12.1	12	11.8	11.9	11.2	10.8	10.1	12	12.9	13.9
Humidity, %	76%	78%	79%	78%	78%	76%	77%	77%	75%	76%	73%	78%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0.03 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	6.2 mi	3.6 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	79°	78°	79°	79°	79°	79°	79°	80°	80°	80°	81°	80°
Feels like	79°	80°	79°	79°	79°	79°	79°	80°	80°	85°	86°	85°
Pressure, inHg	29.94	29.91	29.88	29.88	29.94	29.94	29.94	29.91	29.88	29.88	29.91	29.91
Wind, mph	13.1	12.2	10.7	9.6	9.6	9	8.4	7.6	7.2	6.9	6.8	6.6
Humidity, %	80%	83%	82%	82%	84%	83%	84%	82%	83%	83%	81%	81%
Precipitation	0.01 in	0.03 in	0.01 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	3.1 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°	80°	80°	80°	80°	80°	80°	80°	80°	80°
Feels like	85°	85°	85°	85°	80°	85°	80°	80°	80°	80°	81°	83°
Pressure, inHg	29.91	29.91	29.88	29.91	29.91	29.94	29.91	29.91	29.91	29.91	29.91	29.91
Wind, mph	6.7	7	6.9	6.7	6.6	6.6	7	7	7	7	7	7
Humidity, %	81%	83%	82%	82%	82%	80%	82%	82%	82%	82%	82%	82%
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	—	—	—	—	—	—

	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°	80°	80°	80°	80°	79°	79°	79°	79°	80°
Feels like	79°	81°	83°	85°	83°	82°	80°	79°	79°	79°	79°	80°
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	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6
Humidity, %	82%	82%	82%	82%	82%	82%	82%	82%	82%	82%	82%	82%
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	—	—	—	—	—	—	—	—	—	—	—	—

	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°	80°	80°	80°	80°	80°	80°	80°	80°	80°
Feels like	80°	84°	82°	80°	80°	80°	80°	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	7.5	7.5	7.5	7.5	7.5	7.5	7.5	7.5	7.5	7.5	7.5	7.5
Humidity, %	80%	80%	80%	80%	80%	80%	80%	80%	80%	80%	80%	80%
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 22 min

Sunrise — 07:34

Sunset — 18:56

Sunrise and sunset in local time

Full moon, 100%

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)