Johns Creek, GA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Johns Creek, GA.

1 Currently Active Alert for Johns Creek

Current Conditions — Johns Creek, GA

CANTON/CHEROKEE (KCNI)

Clear

75.7 F
Humidity:29%
Wind Speed: 3.4 mph
Barometer:30.25 in
Dewpoint:40.8 F
Visibility:10.00 mi
Precip:--
Heat Index:74.3 F
Wind Chill:NA
Apr 22 2026, 12:50 PM EDT
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5-Day Forecast — Johns Creek, GA

Wednesday

High 84 °F
Mostly Sunny
Wednesday
Night
Low 57 °F
Partly Cloudy
Thursday

High 84 °F
Partly Sunny
Thursday
Night
Low 59 °F
Mostly Clear
Friday

High 86 °F
Partly Sunny
Friday
Night
Low 62 °F
Chance of Scattered T-storms
Saturday

High 78 °F
T-storms
Saturday
Night
Low 57 °F
Rain Showers Likely
Sunday

High 82 °F
Isolated T-storm

Detailed Forecast — Johns Creek, GA

Wednesday
Mostly Sunny. High near 84°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Wednesday Night
Partly Cloudy. Low around 57°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Thursday
Partly Sunny. High near 84°F. Wind 1 to 6 mph, with gusts as high as 12 mph.
Thursday Night
Mostly Clear. Low around 59°F. Wind 1 to 5 mph, with gusts as high as 9 mph.
Friday
Partly Sunny. High near 86°F. Wind 1 to 7 mph, with gusts as high as 14 mph.
Friday Night
Chance of Scattered Thunderstorms. Low around 62°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Saturday
Thunderstorms. High near 78°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Rain Showers Likely. Low around 57°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Sunday
Isolated T-storm. High near 82°F. Wind 5 to 7 mph, with gusts as high as 12 mph.
Sunday Night
Slight Chance of Rain. Low around 59°F. Wind around 5 mph, with gusts as high as 12 mph.
Monday
Chance of Thunderstorms. High near 77°F. Wind 8 to 9 mph, with gusts as high as 16 mph.
Monday Night
Thunderstorms Likely. Low around 60°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Tuesday
Thunderstorms Likely. High near 80°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
GA Radar
Current Radar • GA
Day 1 Outlook • April 22, 2026

Observation History — Johns Creek, GA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:50 PM EDT 3.4 10.00 Clear -- 75.7 40.8 29% NA 74.3 30.25 1024.1
12:30 PM EDT 4.7 G 16.1 10.00 Clear -- 75.0 41.5 30% NA 73.6 30.25 1024.4
12:10 PM EDT 6.9 10.00 Clear -- 75.2 41.2 29% NA 73.8 30.25 1024.4
11:50 AM EDT W 6.9 10.00 Clear -- 73.8 42.8 33% NA 72.3 30.26 1024.7
11:10 AM EDT SW 5.8 10.00 Clear -- 72.5 45.0 37% NA 71.2 30.27 1025.1
10:30 AM EDT S 3.4 10.00 Clear -- 68.5 46.9 46% NA NA 30.26 1024.7
10:10 AM EDT 3.4 10.00 Clear -- 66.2 49.1 54% NA NA 30.26 1024.7
09:50 AM EDT E 3.4 10.00 Clear -- 63.5 49.6 61% NA NA 30.26 1024.7
09:30 AM EDT 3.4 10.00 Clear -- NULL 49.8 % NA NA 30.26 1024.7
09:10 AM EDT 4.7 10.00 Clear -- 57.9 48.0 70% NA NA 30.26 1024.7
08:50 AM EDT 3.4 10.00 Clear -- NULL 47.7 % NA NA 30.26 1024.7
08:30 AM EDT 0.0 10.00 Clear -- NULL 47.3 % NA NA 30.26 1024.7
08:10 AM EDT 0.0 10.00 Clear -- 49.8 46.0 87% NA NA 30.27 1025.1
07:50 AM EDT 0.0 10.00 Clear -- 49.8 46.0 87% NA NA 30.26 1024.7
07:30 AM EDT 0.0 10.00 Clear -- 46.9 45.5 95% NA NA 30.26 1024.7
07:10 AM EDT 3.4 10.00 Clear -- 45.1 43.5 94% 43.9 NA 30.25 1024.4
06:50 AM EDT 0.0 10.00 Clear -- 46.2 45.3 97% NA NA 30.25 1024.1
06:30 AM EDT 0.0 10.00 NULL -- 47.5 45.1 92% NA NA 30.25 1024.1
05:50 AM EDT 3.4 10.00 Clear -- 47.3 45.7 94% 46.2 NA 30.23 1023.7
05:10 AM EDT 5.8 10.00 Clear -- 47.5 46.2 95% 44.8 NA 30.23 1023.7
04:50 AM EDT 0.0 10.00 Clear -- 48.2 46.4 93% NA NA 30.25 1024.1
04:30 AM EDT 0.0 10.00 Clear -- 48.7 47.1 94% NA NA 30.25 1024.1
04:10 AM EDT 4.7 10.00 Clear -- 49.6 47.7 93% 48.0 NA 30.25 1024.1
03:50 AM EDT 4.7 10.00 Clear -- 48.7 46.8 93% 46.9 NA 30.25 1024.1

Regional Weather Observation

CANTON/CHEROKEE (KCNI)

Clear
75.7 F

MARIETTA MCCOLUM (KRYY)

Clear
78.8 F

(KJZP)


F

CARTERSVILLE (KVPC)

Clear
78.8 F

CALHOUN (KCZL)

Thunderstorms
77.0 F

DALTON (KDNN)

Clear
76.6 F
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