As of 22:50 EDT

Weather in Fort Jefferson, FL

84°

Fort Jefferson, Thursday, 15 October, 22:50

Mostly clear. Feels like 92°. High 88°, low 83°.

Pressure30.00 inHg

Wind15 mph E

Humidity75%

Visibility6.2 mi

Dew point75°

Thu, 15October

88°/83°

Fri, 16October

84°/78°

Sat, 17October

81°/77°

Sun, 18October

82°/78°

Mon, 19October

84°/80°

Tue, 20October

82°/79°

Wed, 21October

82°/78°

	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	87°	84°	83°	83°	84°	85°	86°	86°	85°	85°	84°	84°
Feels like	87°	92°	92°	91°	93°	95°	97°	97°	96°	94°	94°	93°
Pressure, inHg	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03
Wind, mph	8.5	8.5	8.5	8.5	8.5	8.5	8.5	8.5	8.5	8.5	8.5	8.5
Humidity, %	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%
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	84°	84°	83°	81°	82°	82°	83°	83°	82°	81°	78°	79°
Feels like	92°	92°	89°	87°	88°	90°	92°	90°	90°	87°	80°	79°
Pressure, inHg	30.00	29.97	29.97	30.00	30.00	30.03	30.00	29.97	29.94	29.94	29.97	29.97
Wind, mph	7.1	6.9	6.1	3.9	5.6	6	6.9	6.1	4.6	2.5	3.9	3.9
Humidity, %	74%	76%	76%	78%	78%	81%	81%	80%	80%	78%	85%	83%
Precipitation	0 in	0 in	0.03 in	0.05 in	0.01 in	0 in	0 in	0 in	0.01 in	0.02 in	0.06 in	0 in
Visibility	5.4 mi	6.2 mi	6.0 mi	3.1 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	4.1 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°	80°	81°	81°	81°	80°	77°	78°	80°	81°	81°	80°
Feels like	86°	85°	86°	86°	85°	80°	78°	80°	84°	86°	86°	80°
Pressure, inHg	29.97	29.94	29.94	29.91	29.94	29.97	30.03	29.97	29.91	29.94	29.94	30.00
Wind, mph	5.2	5.3	2.3	2.1	1.6	1.2	3.5	1.2	2.5	4.6	5.1	5.1
Humidity, %	82%	83%	81%	81%	81%	80%	87%	81%	79%	81%	81%	80%
Precipitation	0 in	0.03 in	0 in	0.01 in	0 in	0.04 in	0.18 in	0.04 in	0 in	0 in	0 in	0.06 in
Visibility	6.2 mi	3.5 mi	6.2 mi	3.4 mi	6.2 mi	4.6 mi	1.6 mi	4.8 mi	6.2 mi	6.2 mi	6.2 mi	2.9 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°	80°	79°	78°	80°	81°	81°	79°	81°	81°	81°
Feels like	86°	85°	80°	79°	80°	80°	86°	85°	79°	86°	85°	86°
Pressure, inHg	30.00	29.97	29.97	29.97	30.00	30.03	30.03	30.00	29.97	29.97	30.00	30.03
Wind, mph	5.7	5.3	6.5	8.9	9.5	12.4	12.4	9.2	8.6	9.3	10	12.4
Humidity, %	79%	78%	80%	81%	83%	81%	78%	79%	81%	74%	75%	72%
Precipitation	0.01 in	0.05 in	0.11 in	0.09 in	0.16 in	0.02 in	0.01 in	0.02 in	0.04 in	0 in	0 in	0.01 in
Visibility	5.4 mi	3.2 mi	1.9 mi	2.3 mi	1.4 mi	4.6 mi	6.2 mi	6.1 mi	4.0 mi	6.2 mi	4.5 mi	5.0 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°	80°	80°	80°	80°	80°	81°	81°	82°	83°	84°	83°
Feels like	85°	84°	80°	80°	84°	84°	85°	85°	86°	87°	88°	86°
Pressure, inHg	30.03	30.00	29.97	29.97	30.00	30.03	30.03	30.00	29.97	29.94	29.94	29.97
Wind, mph	12.6	12.1	11.6	11.9	12	11.5	10.6	9.5	9.2	9.1	9.2	9.9
Humidity, %	75%	76%	77%	76%	74%	75%	75%	76%	71%	66%	61%	64%
Precipitation	0.02 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°	80°	80°	79°	79°	79°	79°	80°	80°	81°	82°	81°
Feels like	79°	83°	81°	79°	79°	79°	79°	80°	82°	84°	85°	84°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00
Wind, mph	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1	11.1
Humidity, %	76%	76%	76%	76%	76%	76%	76%	76%	76%	76%	76%	76%
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	78°	80°	79°	78°	78°	78°	78°	79°	80°	82°	82°	81°
Feels like	78°	80°	79°	79°	79°	79°	79°	80°	82°	84°	84°	82°
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	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6
Humidity, %	72%	72%	72%	72%	72%	72%	72%	72%	72%	72%	72%	72%
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 35 min

Sunrise — 07:29

Sunset — 19:04

Sunrise and sunset in local time

Waxing crescent, 23%

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)