First Alert Weather: Big temperature fluctuations and wide-ranging weather conditions this week

JACKSONVILLE, Fla. — The First Alert Weather Team says there will be big fluctuations in temperature and a variety of weather conditions this week and into the weekend.

A few brief but heavy showers will spread through Duval, Clay, and St. Johns Counties but will move offshore before sunset.

>>> STREAM ACTION NEWS JAX LIVE <<<

Overnight lows will be in the upper 50s to low 60s with more fog moving in.

Wednesday will be warm with record/near record highs in the mid 80s.

Our next cold front arrives by Thursday night with a band of showers and possibly a few thunderstorms late Thursday into Thursday evening.

[DOWNLOAD: Free Action News Jax app for alerts as news breaks]

Much cooler air behind the front Friday with highs only in the 60s.

Yet another warm-up Saturday with highs returning to 80+.

And another cold front Sunday brings afternoon showers and a few thunderstorms. There will be some much chillier air behind this front for early next week.

[SIGN UP: Action News Jax Daily Headlines Newsletter]

Here’s your 7-day forecast:

RIGHT NOW: A wide range in temps. with skies ranging from partly sunny to foggy… +  showers moving north/northeast through St. Johns, Clay, Putnam Co. Temps. in the low 60s SE Ga. to the 70s south of I-10.

TONIGHT: A brief shower early… partly cloudy. Low: 62

WEDNESDAY: Fog early… partly sunny & warm. High: 84 (record=84/1994)

WEDNESDAY NIGHT: Partly cloudy.  Low: 62

THURSDAY: Increasing clouds, breezy & warm… shower/t’storm late. High: 84 (record=88/2020)

VALENTINE’S DAY: Cloudy, breezy, much cooler with a few showers, some drizzle.  55/64

SATURDAY: Partly sunny, breezy, much warmer again. 57/81

SUNDAY: Clouds moving in, breezy… afternoon showers, a t’storm.  62/79

MONDAY: Mostly sunny, breezy & much cooler. 43/63

TUESDAY: Partly sunny. 39/65

This browser does not support the video element.

Click here to download the free Action News Jax news and weather apps, click here to download the Action News Jax Now app for your smart TV and click here to stream Action News Jax live.