Weather in Johns Creek, GA
Johns Creek, Sunday, 9 August, 05:22
Clear. Feels like 72°. High 91°, low 70°.
Monthly outlook for Johns Creek, GA: average high 97.1°, average low 76.5°. That is 6.1° above the climate normal for August. Precipitation is expected on 8 days (about 0.9 inches), against a normal of 7 days and 2.1 inches. The warmest day looks like 21 August (103.6°), the coolest 9 August (70.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 95.5° | 86° | +5.2° |
| 19 August – 28 August | 99.8° | 85.9° | +7.7° |
| 29 August – 7 September | at normal | 83.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sandy Springs (12 mi).
0.02
Johns Creek, Monday, 10 August
Light rain. High 91°, low 73°.
0
Johns Creek, Tuesday, 11 August
Clear. High 96°, low 77°.
0.21Johns Creek, Wednesday, 12 August
Light rain. High 95°, low 75°.
0.1Johns Creek, Thursday, 13 August
Light rain. High 93°, low 73°.
0.11Johns Creek, Friday, 14 August
Light rain. High 96°, low 77°.
0.06Johns Creek, Saturday, 15 August
Light rain. High 98°, low 79°.
0.07Johns Creek, Sunday, 16 August
Light rain. High 99°, low 74°.
0
Johns Creek, Monday, 17 August
Partly cloudy. High 101°, low 82°.
0.01Johns Creek, Tuesday, 18 August
Light rain. High 94°, low 77°.
0Johns Creek, Wednesday, 19 August
Clear. High 96°, low 75°.
0.01Johns Creek, Thursday, 20 August
Light rain. High 99°, low 78°.
0.07Johns Creek, Friday, 21 August
Light rain. High 104°, low 82°.
0.11Johns Creek, Saturday, 22 August
Light rain. High 104°, low 76°.
0.02Johns Creek, Sunday, 23 August
Light rain. High 99°, low 77°.
0.01Johns Creek, Monday, 24 August
Light rain. High 97°, low 77°.
0.16
Johns Creek, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Johns Creek, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Johns Creek, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Johns Creek, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Johns Creek, Saturday, 29 August
Climate normal for this date — 60-year average.
0.12Johns Creek, Sunday, 30 August
Climate normal for this date — 60-year average.
0.18Johns Creek, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Johns Creek, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Johns Creek, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Johns Creek, Thursday, 3 September
Climate normal for this date — 60-year average.
0.16Johns Creek, Friday, 4 September
Climate normal for this date — 60-year average.
0.18Johns Creek, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Johns Creek, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13Johns Creek, Monday, 7 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Johns Creek, GA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Johns Creek, GA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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