A Warm Wednesday ahead of a cold front Fall temperatures return Thursday
. (.)
Mostly clear with patchy to dense fog overnight and early Wednesday morning. Temperatures will continue to run above normal on Wednesday as a cold front approaches. Behind the cold front, fall temperatures return through Saturday. Increasing clouds with a chance of showers late Sunday.
Tonight: Clear and cool with patchy to dense fog.
Wednesday: Patchy to dense fog early, then becoming mostly sunny to partly cloudy. Morning lows will be in the 50s and 60s, with afternoon highs in the upper 70s to 80s. Winds will be from the NW at 5-10 mph. Expect mostly clear skies and cooler temperatures behind the cold front.
. (.) Thursday and Friday will bring a morning chill as we wake up 40s and 50s inland, 60s along the beaches. Afternoon highs will reach the 70s to low 80s. The northeast wind will increase through Sunday.
Tropics: Tropical Storm Melissa will strengthen over the Caribbean through the week. https://www.news4jax.com/weather/2025/10/21/tropical-wave-in-the-caribbean-likely-to-develop-into-tropical-storm-melissa/
Sunrise: 7:34 a.m.
Sunset: 6:49 p.m.
Copyright 2025 by WJXT News4JAX - All rights reserved.
About the Author Richard Nunn headshot
Richard Nunn is the Weather Authority Chief Meteorologist
Woman describes finding truck partially submerged in pond behind her home ▶ 0:40
Woman describes finding truck partially submerged in pond behind her home
Nassau County Christmas tree lighting and fireworks ▶ 0:27
Nassau County Christmas tree lighting and fireworks
Vigil for high school senior killed at Westside Burger King ▶ 0:44
Vigil for high school senior killed at Westside Burger King
Tracking a rainy weekend of possibly disruptive storms ▶ 0:54
Tracking a rainy weekend of possibly disruptive storms
Jacksonville mother, 2 young children homeless after apartment fire ▶ 0:43
Jacksonville mother, 2 young children homeless after apartment fire
Ep. 5: Breakup blues? Practical mental health tools to help you bounce back ▶ 1:03
Ep. 5: Breakup blues? Practical mental health tools to help you bounce back
News4JAX wraps up its 2025 Toy Drive ▶ 1:01
News4JAX wraps up its 2025 Toy Drive
St. Johns County man charged with DUI after golf cart crash that fatally injured his wife ▶ 0:19
St. Johns County man charged with DUI after golf cart crash that fatally injured his wife
New fire station coming to Clay County for the first time in over 25 years ▶ 0:43
New fire station coming to Clay County for the first time in over 25 years
Richard's Swing Makeover Pt. 14: Time to file -- metal, not taxes ▶ 0:59
Richard's Swing Makeover Pt. 14: Time to file -- metal, not taxes
Local man shares warning after catching rare bacteria while fishing in St. Johns County ▶ 0:55
Local man shares warning after catching rare bacteria while fishing in St. Johns County
Donate toys to our annual Channel 4 Toy Drive! ▶ 0:24
Donate toys to our annual Channel 4 Toy Drive!
Voices of the 904 Ep. 7 - The one-man army cooking with a passion to feed the city that raised him ▶ 0:21
Voices of the 904 Ep. 7 - The one-man army cooking with a passion to feed the city that raised him
Culinary Nunnsense: Richard shares his stew recipe -- perfect for the lower temps in our forecast ▶ 2:28
Culinary Nunnsense: Richard shares his stew recipe -- perfect for the lower temps in our forecast
Nassau County community mourns passing of ‘cherished community advocate’ ▶ 0:40
Nassau County community mourns passing of ‘cherished community advocate’
Color the Weather: Zayne’s Forecast ☀️📚 ▶ 1:33
Color the Weather: Zayne’s Forecast ☀️📚
St. Johns County sheriff explains what led to deadly deputy-involved shooting ▶ 1:15
St. Johns County sheriff explains what led to deadly deputy-involved shooting
Byron Chandler Interiors in St. Johns County shares tips on home decor! ▶ 0:58
Byron Chandler Interiors in St. Johns County shares tips on home decor!
Final full moon of 2025 expected to be supermoon ▶ 0:53
Final full moon of 2025 expected to be supermoon
76-year-old mother killed in Lake City crash adopted two young girls who also died ▶ 1:32
76-year-old mother killed in Lake City crash adopted two young girls who also died
3 bills propose rules to prevent child drownings in Florida. There have already been 112 this year ▶ 0:38
3 bills propose rules to prevent child drownings in Florida. There have already been 112 this year
Annual Channel 4 Toy Drive tradition returns on Thursday, Dec. 4 ▶ 0:47
Annual Channel 4 Toy Drive tradition returns on Thursday, Dec. 4
Typical Florida household needs 17 years to save for a 10% home down payment, study finds ▶ 0:48
Typical Florida household needs 17 years to save for a 10% home down payment, study finds
Patchy dense fog ahead of storms ▶ 0:33
Patchy dense fog ahead of storms
St. Johns County commissioners push for developers to pay for land conservation ▶ 0:37
St. Johns County commissioners push for developers to pay for land conservation
Previous photo Next photo