St. Marys, GA Weather Forecast

Local 7-day forecast

84°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for St. Marys, GA in one place.

Wednesday, April 15, 2026
Wind: 12 mph SE
This Afternoon

Sunny. High near 84, with temperatures falling to around 81 in the afternoon. Southeast wind around 12 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for St. Marys, GA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 6:05 PM EDT.

The active forecast window currently covers Apr 15 to Apr 21, 2026 for St. Marys, GA.

Page Snapshot

Page focus
city weather
Forecast window
Apr 15 to Apr 21, 2026
Latest sync
Apr 15, 2026 6:05 PM EDT
Forecast office
JAX
Source
NOAA / NWS
Next High
84°F
This Afternoon
Next Low
59°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
15 mph
Monday

Daily Outlook

Today
Apr 15
Sunny
84 °F
/ 59°F
Wind 12 mph
Thu
Apr 16
Sunny
86 °F
/ 62°F
Wind 2 to 9 mph
Fri
Apr 17
Sunny
89 °F
/ 63°F
Wind 2 to 7 mph
Sat
Apr 18
Mostly Sunny
90 °F
/ 65°F
Wind 2 to 9 mph
Sun
Apr 19
Partly Sunny
88 °F
/ 60°F
Wind 3 to 10 mph
Mon
Apr 20
Mostly Sunny
71 °F
/ 59°F
Wind 15 mph
Tue
Apr 21
Mostly Sunny
75 °F
/ 60°F
Wind 8 to 14 mph

This Week in St. Marys

Saturday looks like the warmest upcoming period in St. Marys at 90 degrees F.

Tonight is the coolest period ahead with temperatures near 59 degrees F.

The strongest winds are forecast for Monday at about 15 mph NE.

The forecast from Apr 15 through Apr 21 stays mostly dry.

Forecast Details

Last updated
Apr 15, 2026 6:05 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
JAX
Radar station
KJAX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Apr 15
59°F
Mostly Clear
2 to 10 mph S

Mostly clear. Low around 59, with temperatures rising to around 61 overnight. South wind 2 to 10 mph.

Thursday
Apr 16
86°F
Sunny
2 to 9 mph S

Sunny. High near 86, with temperatures falling to around 84 in the afternoon. South wind 2 to 9 mph.

Thursday Night
Apr 16
62°F
Mostly Clear
3 to 9 mph S

Mostly clear. Low around 62, with temperatures rising to around 64 overnight. South wind 3 to 9 mph.

Friday
Apr 17
89°F
Sunny
2 to 7 mph SW

Sunny. High near 89, with temperatures falling to around 87 in the afternoon. Southwest wind 2 to 7 mph.

Friday Night
Apr 17
63°F
Mostly Clear
3 to 7 mph S

Mostly clear, with a low around 63.

Saturday
Apr 18
90°F
Mostly Sunny
2 to 9 mph S

Mostly sunny, with a high near 90.

Saturday Night
Apr 18
65°F
Mostly Cloudy
3 to 9 mph S

Mostly cloudy, with a low around 65.

Sunday
Apr 19
88°F
Partly Sunny
3 to 10 mph W

Partly sunny, with a high near 88.

Sunday Night
Apr 19
60°F
Mostly Cloudy
8 to 12 mph N

Mostly cloudy, with a low around 60.

Monday
Apr 20
71°F
Mostly Sunny
15 mph NE

Mostly sunny, with a high near 71.

Monday Night
Apr 20
59°F
Partly Cloudy
7 to 14 mph NE

Partly cloudy, with a low around 59.

Tuesday
Apr 21
75°F
Mostly Sunny
8 to 14 mph E

Mostly sunny, with a high near 75.

Tuesday Night
Apr 21
60°F
Mostly Cloudy
5 to 10 mph E

Mostly cloudy, with a low around 60.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Apr 15
Sunny
84°F
12 mph
SE
Tonight
Apr 15
Mostly Clear
59°F
2 to 10 mph
S
Thursday
Apr 16
Sunny
86°F
2 to 9 mph
S
Thursday Night
Apr 16
Mostly Clear
62°F
3 to 9 mph
S
Friday
Apr 17
Sunny
89°F
2 to 7 mph
SW
Friday Night
Apr 17
Mostly Clear
63°F
3 to 7 mph
S
Saturday
Apr 18
Mostly Sunny
90°F
2 to 9 mph
S
Saturday Night
Apr 18
Mostly Cloudy
65°F
3 to 9 mph
S
Sunday
Apr 19
Partly Sunny
88°F
3 to 10 mph
W
Sunday Night
Apr 19
Mostly Cloudy
60°F
8 to 12 mph
N
Monday
Apr 20
Mostly Sunny
71°F
15 mph
NE
Monday Night
Apr 20
Partly Cloudy
59°F
7 to 14 mph
NE
Tuesday
Apr 21
Mostly Sunny
75°F
8 to 14 mph
E
Tuesday Night
Apr 21
Mostly Cloudy
60°F
5 to 10 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.