Jacksonville, FL 14-Day Forecast
Florida, United States 🇺🇸
86°
Partly Cloudy right now
Today: high 94°, low 80°
Updated just now
Jacksonville weather for the next 14 days
Wednesday, September 16
Patchy rain nearby High 90° Low 79°Precipitation
17%
· 0.01 in
Max wind
15 mph
Humidity
55%
UV index
9 - Very High
Sunrise / sunset
07:11 AM / 07:31 PM
Thursday, September 17
Sunny High 90° Low 78°Precipitation
17%
· 0.0 in
Max wind
14 mph
Humidity
50%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:30 PM
Friday, September 18
Partly Cloudy High 92° Low 76°Precipitation
6%
· 0.0 in
Max wind
11 mph
Humidity
54%
UV index
9 - Very High
Sunrise / sunset
07:12 AM / 07:28 PM
Saturday, September 19
Overcast High 90° Low 76°Precipitation
18%
· 0.0 in
Max wind
10 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
07:13 AM / 07:27 PM
Sunday, September 20
Overcast High 96° Low 77°Precipitation
42%
· 0.03 in
Max wind
7 mph
Humidity
62%
UV index
8 - Very High
Sunrise / sunset
07:13 AM / 07:26 PM
Monday, September 21
Overcast High 94° Low 78°Precipitation
39%
· 0.02 in
Max wind
8 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
07:14 AM / 07:24 PM
Tuesday, September 22
Sunny High 93° Low 78°Precipitation
41%
· 0.04 in
Max wind
12 mph
Humidity
67%
UV index
8 - Very High
Sunrise / sunset
07:15 AM / 07:23 PM
Wednesday, September 23
Patchy rain nearby High 89° Low 77°Precipitation
73%
· 0.66 in
Max wind
12 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
07:15 AM / 07:22 PM
Thursday, September 24
Light rain shower High 84° Low 76°Precipitation
87%
· 0.59 in
Max wind
11 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
07:16 AM / 07:21 PM
Friday, September 25
Overcast High 85° Low 75°Precipitation
24%
· 0.0 in
Max wind
13 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
07:16 AM / 07:19 PM
Saturday, September 26
Light rain shower High 76° Low 72°Precipitation
92%
· 0.55 in
Max wind
8 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
07:17 AM / 07:18 PM
Sunday, September 27
Light rain shower High 78° Low 73°Precipitation
91%
· 0.85 in
Max wind
10 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
07:17 AM / 07:17 PM
Monday, September 28
Cloudy High 82° Low 71°Precipitation
10%
· 0.0 in
Max wind
13 mph
Humidity
67%
UV index
7 - High
Sunrise / sunset
07:18 AM / 07:16 PM
Jacksonville 14-day outlook: the story
The warmest day of Jacksonville's 14-day outlook is Sunday, September 20 with a high near 96°F (36°C); the coolest night comes Monday, September 28, dipping to 71°F (22°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 92°F (33°C), about 7°F (4°C) above the typical September high of 85°F (29°C).
Precipitation is most likely on Wednesday 23, Thursday 24, Saturday 26, Sunday 27; the wettest day looks like Sunday, September 27 with about 0.85 in (21.7 mm) expected. For the weekend, expect Saturday 90°F (32°C) and overcast / Sunday 96°F (36°C) and overcast.
For typical conditions month by month, see the Jacksonville climate & average temperatures guide.
Jacksonville forecast questions
Will it rain in Jacksonville this week?
The forecast currently shows meaningful precipitation chances on 4 of the next 14 days, peaking around Sunday, September 27.
What will be the warmest day in Jacksonville over the next 14 days?
Sunday, September 20, with a forecast high near 96°F (36°C).
How accurate is a 14-day forecast for Jacksonville?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Jacksonville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 48° | 7 | 2.5 in | 7.8 h/day | 76% |
| February | 69° | 52° | 8 | 3.0 in | 8.4 h/day | 78% |
| March | 74° | 57° | 8 | 2.8 in | 9.5 h/day | 73% |
| April | 79° | 62° | 8 | 3.0 in | 10.7 h/day | 72% |
| May | 84° | 68° | 10 | 3.2 in | 11.6 h/day | 73% |
| June | 88° | 74° | 19 | 6.3 in | 11.1 h/day | 78% |
| July | 89° | 76° | 22 | 6.6 in | 11.2 h/day | 80% |
| August | 88° | 76° | 24 | 7.6 in | 10.6 h/day | 83% |
| September | 85° | 73° | 17 | 7.4 in | 9.5 h/day | 82% |
| October | 79° | 66° | 10 | 3.6 in | 9.4 h/day | 79% |
| November | 72° | 58° | 8 | 2.4 in | 8.1 h/day | 80% |
| December | 68° | 53° | 7 | 2.5 in | 7.5 h/day | 81% |
14-day forecasts nearby