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Jacksonville, FL Weather Forecast

View the 9-day weather forecast for Jacksonville, Florida, including daily highs and lows, rain chances, rainfall amounts, wind speeds, humidity, and short-range versus extended BlendedModel guidance.

The latest 9-day BlendedModel forecast for Jacksonville, Florida is in. The warmest stretch peaks on Thu near 98, while the coolest low settles in on Mon near 74. The best rain signal shows up on Sat at 55 percent and about 0.28 inches. The outlook starts with a near-term signal before shifting to extended signal later in the period.

Forecast data refreshed automatically every few hours. Showing the latest available BlendedModel forecast for Jacksonville, Florida.

Last updated:

Latest BlendedModel forecast loaded for Jacksonville, Florida.

About BlendedModel
BlendedModel is an experimental forecast system developed by Engineer.Guide Research and Development Lab. Forecast pages are refreshed automatically every few hours so you always see the latest guidance.

9-Day Outlook for Jacksonville, Florida

A scan-first 9-day view generated for fast daily reading, with the main call for each day and the core details underneath.

Today's Weather Story
Today looks cloudy with low rain chances, light wind, and humid air, and a low storm signal.
National Weather Service
Heat Advisory
Heat Advisory issued June 18 at 9:19AM EDT until June 18 at 7:00PM EDT by NWS Jacksonville FL
Moderate · Expected · Starts 2026-06-18T09:19:00-04:00 · Expires 2026-06-18T19:00:00-04:00
Check Hourly Timing
A quick look at the next several hours for temperature, rain chance, wind, and storm signal.
8 AM EDT
82°
Cloudy
Precip 0% · Wind 9 mph
Low Storm Signal · Near-Term Signal
9 AM EDT
85°
Cloudy
Precip 0% · Wind 9 mph
Low Storm Signal · Near-Term Signal
10 AM EDT
88°
Mostly Cloudy
Precip 0% · Wind 10 mph
Low Storm Signal · Near-Term Signal
11 AM EDT
91°
Sunny
Precip 0% · Wind 10 mph
Low Storm Signal · Near-Term Signal
12 PM EDT
93°
Partly Cloudy
Precip 0% · Wind 10 mph
Low Storm Signal · Near-Term Signal
1 PM EDT
95°
Cloudy
Precip 0% · Wind 10 mph
2 PM EDT
97°
Cloudy
Precip 0% · Wind 9 mph
Low Storm Signal · Near-Term Signal
3 PM EDT
97°
Partly Cloudy
Precip 0% · Wind 10 mph
Low Storm Signal · Near-Term Signal
4 PM EDT
98°
Cloudy
Precip 0% · Wind 10 mph
5 PM EDT
95°
Cloudy
Precip 0% · Wind 8 mph
Low Storm Signal · Near-Term Signal
6 PM EDT
88°
Cloudy
Precip 0% · Wind 10 mph
Low Storm Signal · Near-Term Signal
7 PM EDT
86°
Cloudy
Precip 0% · Wind 8 mph
Thu
Jun 18
98°
Low 80°
Near-Term Signal
Cloudy
Precip 0% · Rain 0.00 in · Wind 12 mph · Humidity 84%
Thunder Index
26/100
Low Storm Signal
A 0-100 signal blending near-term storm ingredients with extended pattern guidance.
Storm Signal
Early guidance signal
Fri
Jun 19
96°
Low 77°
Near-Term Signal
Light rain possible
Precip 20% · Rain 0.01 in · Wind 16 mph · Humidity 88%
Thunder Index
24/100
Low Storm Signal
Storm Signal
Early guidance signal
Sat
Jun 20
87°
Low 75°
Extended Signal
Light rain possible
Precip 55% · Rain 0.28 in · Wind 6 mph · Humidity 91%
Thunder Index
47/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Jacksonville
Sun
Jun 21
89°
Low 74°
Extended Signal
Light rain possible
Precip 55% · Rain 0.28 in · Wind 4 mph · Humidity 92%
Thunder Index
47/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Jacksonville
Mon
Jun 22
91°
Low 74°
Extended Signal
Humid
Precip 35% · Rain 0.08 in · Wind 3 mph · Humidity 94%
Thunder Index
29/100
Low Storm Signal
Storm Signal
Early guidance signal
Tue
Jun 23
93°
Low 77°
Extended Signal
Humid
Precip 35% · Rain 0.06 in · Wind 9 mph · Humidity 92%
Thunder Index
32/100
Low Storm Signal
Storm Signal
Early guidance signal
Wed
Jun 24
92°
Low 77°
Extended Signal
Light rain possible
Precip 55% · Rain 0.17 in · Wind 6 mph · Humidity 88%
Thunder Index
39/100
Low Storm Signal
Storm Signal
Early guidance signal
Thu
Jun 25
90°
Low 75°
Extended Signal
Light rain possible
Precip 55% · Rain 0.28 in · Wind 3 mph · Humidity 90%
Thunder Index
48/100
Thunderstorm Possible
Storm Signal
Early guidance signal
Check hourly timing Radar near Jacksonville
Fri
Jun 26
91°
Low 74°
Extended Signal
Light rain possible
Precip 55% · Rain 0.17 in · Wind 5 mph · Humidity 92%
Thunder Index
37/100
Low Storm Signal
Storm Signal
Early guidance signal
Official alerts, when active, come from the National Weather Service.

Jacksonville Weather Questions, Answered

Quick answers generated from the latest 9-day BlendedModel forecast for Jacksonville, Florida.

Will it rain today in Jacksonville?

Rain is unlikely in Jacksonville, FL today, with only a 0 percent chance of precipitation.

How hot will it get in Jacksonville today?

Today's forecast for Jacksonville, FL calls for a high near 98 degrees and a low around 80 degrees.

Are thunderstorms expected in Jacksonville this week?

Thunderstorms are possible in Jacksonville, FL this week. The highest storm signal is on Thu with a Thunder Index of 48 out of 100.

What is the warmest day this week in Jacksonville?

Thu looks like the warmest day in Jacksonville, FL, with a high near 98 degrees.

Nearby Forecasts

Quick links to a few nearby cities if you want to compare the next 9 days around Jacksonville, Florida.

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