As of 10:19 EDT

Weather in Fort Jefferson, FL

86°

Fort Jefferson, Thursday, 15 October, 10:19

Partly cloudy. Feels like 97°. High 87°, low 82°.

Pressure30.00 inHg

Wind16 mph E

Humidity72%

Visibility6.2 mi

Dew point76°

Thu, 15October

87°/82°

Fri, 16October

85°/77°

Sat, 17October

82°/77°

Sun, 18October

81°/78°

Mon, 19October

83°/79°

Tue, 20October

83°/80°

Wed, 21October

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	86°	82°	83°	85°	85°	85°	86°	85°	84°	84°	83°	83°
Feels like	86°	90°	92°	94°	95°	96°	98°	96°	94°	93°	92°	90°
Pressure, inHg	30.03	30.03	30.03	30.03	30.03	30.03	30.00	30.00	29.97	29.94	29.97	30.00
Wind, mph	8.9	8.9	8.9	8.9	8.9	8.9	5.5	5.2	5.5	4.7	6.5	7.7
Humidity, %	74%	74%	74%	74%	74%	74%	74%	76%	79%	79%	80%	77%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.03 in	0.03 in	0.01 in	0 in	0 in	0.02 in
Visibility	—	—	—	—	—	—	6.2 mi	3.3 mi	6.2 mi	6.2 mi	6.2 mi	4.5 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°	83°	84°	85°	85°	83°	81°	80°	82°	83°	81°	77°
Feels like	89°	91°	91°	94°	94°	92°	87°	80°	90°	91°	86°	79°
Pressure, inHg	30.00	29.97	29.94	29.97	29.97	30.03	30.03	29.97	29.91	29.91	29.94	30.00
Wind, mph	5.8	5.2	6.4	6.7	5.7	5.5	7.6	6.4	6.1	3.8	3.5	1.4
Humidity, %	85%	81%	75%	73%	74%	79%	85%	87%	80%	79%	81%	86%
Precipitation	0.01 in	0 in	0.01 in	0.01 in	0.01 in	0.02 in	0.1 in	0.01 in	0 in	0 in	0.05 in	0.26 in
Visibility	4.9 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	2.1 mi	2.4 mi	4.6 mi	6.2 mi	6.2 mi	2.0 mi	2.1 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°	80°	80°	81°	82°	82°	77°	79°	80°	81°	81°	79°
Feels like	80°	85°	85°	86°	87°	88°	79°	79°	80°	86°	87°	79°
Pressure, inHg	29.97	29.97	29.94	29.94	29.94	29.97	30.03	29.97	29.94	29.91	29.94	30.00
Wind, mph	2.3	4.1	3.7	3.5	2.9	2.2	3.6	1.7	0.5	4	4	6.9
Humidity, %	84%	82%	82%	82%	79%	77%	88%	82%	80%	79%	78%	84%
Precipitation	0.03 in	0 in	0 in	0 in	0 in	0 in	0.2 in	0.04 in	0 in	0 in	0.01 in	0.01 in
Visibility	3.7 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	2.0 mi	4.1 mi	6.2 mi	6.2 mi	4.4 mi	2.1 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°	79°	81°	81°	80°	80°	80°	80°
Feels like	85°	80°	80°	79°	79°	79°	85°	86°	85°	80°	80°	80°
Pressure, inHg	30.00	29.97	29.94	29.97	30.00	30.03	30.03	30.00	29.94	29.97	30.00	30.00
Wind, mph	4.9	6.4	7.2	7.7	7.7	8.4	9.9	8.1	6.6	6.7	8.9	10.1
Humidity, %	82%	84%	84%	83%	81%	81%	79%	78%	81%	82%	81%	83%
Precipitation	0.03 in	0.04 in	0.01 in	0.12 in	0.09 in	0.1 in	0.06 in	0.03 in	0.06 in	0.01 in	0.04 in	0.03 in
Visibility	3.0 mi	3.3 mi	6.2 mi	2.1 mi	2.2 mi	1.6 mi	2.3 mi	2.2 mi	2.9 mi	5.1 mi	3.1 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	80°	80°	80°	80°	79°	80°	82°	82°	82°	82°	81°	81°
Feels like	80°	80°	80°	80°	79°	80°	86°	87°	87°	87°	87°	86°
Pressure, inHg	30.00	29.97	29.97	29.97	30.00	30.00	29.97	29.97	29.97	29.97	29.97	29.97
Wind, mph	10.1	9.2	9.3	10	11.3	10.3	11.5	11.5	11.5	11.5	11.5	11.5
Humidity, %	83%	81%	81%	81%	81%	80%	76%	76%	76%	76%	76%	76%
Precipitation	0.03 in	0.03 in	0.02 in	0.04 in	0.04 in	0.03 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in
Visibility	3.5 mi	4.8 mi	6.0 mi	5.7 mi	3.9 mi	3.6 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°	81°	80°	80°	81°	81°	82°	82°	82°	82°	82°
Feels like	82°	85°	82°	80°	82°	84°	86°	87°	87°	87°	87°	87°
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	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3	12.3
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	79°	79°	80°	80°	80°	80°	79°	79°	79°	78°	78°	78°
Feels like	79°	81°	82°	84°	83°	81°	80°	79°	79°	79°	80°	80°
Pressure, inHg	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85
Wind, mph	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7	13.7
Humidity, %	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%
Precipitation	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 in	0.03 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, 19%

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)