Weather in Cosmo, FL
Cosmo, Sunday, 9 August, 08:00
Mostly clear. Feels like 79°. High 88°, low 73°.
Monthly outlook for Cosmo, FL: average high 94.5°, average low 78.2°. That is 5.1° above the climate normal for August. Precipitation is expected on 8 days (about 1.9 inches), against a normal of 11 days and 3.1 inches. The warmest day looks like 12 August (99.4°), the coolest 9 August (73.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 96.1° | 85.6° | +5.9° |
| 19 August – 28 August | 91.9° | 84.9° | +3.9° |
| 29 August – 7 September | at normal | 83.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Jacksonville Beach (9 mi).
0.06
Cosmo, Monday, 10 August
Light rain. High 92°, low 76°.
0
Cosmo, Tuesday, 11 August
Overcast. High 99°, low 79°.
0.05Cosmo, Wednesday, 12 August
Light rain. High 99°, low 81°.
0Cosmo, Thursday, 13 August
Light rain. High 99°, low 81°.
0.04Cosmo, Friday, 14 August
Light rain. High 99°, low 82°.
0.28Cosmo, Saturday, 15 August
Rain. High 98°, low 79°.
0.02Cosmo, Sunday, 16 August
Light rain. High 95°, low 77°.
0.3Cosmo, Monday, 17 August
Rain. High 96°, low 78°.
0.75Cosmo, Tuesday, 18 August
Rain. High 95°, low 76°.
0.12Cosmo, Wednesday, 19 August
Light rain. High 93°, low 76°.
0.15Cosmo, Thursday, 20 August
Light rain. High 92°, low 77°.
0
Cosmo, Friday, 21 August
Clear. High 92°, low 79°.
0Cosmo, Saturday, 22 August
Clear. High 93°, low 79°.
0Cosmo, Sunday, 23 August
Mostly clear. High 92°, low 79°.
0Cosmo, Monday, 24 August
Overcast. High 90°, low 79°.
0.22Cosmo, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.17Cosmo, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15Cosmo, Thursday, 27 August
Climate normal for this date — 60-year average.
0.2Cosmo, Friday, 28 August
Climate normal for this date — 60-year average.
0.19Cosmo, Saturday, 29 August
Climate normal for this date — 60-year average.
0.26Cosmo, Sunday, 30 August
Climate normal for this date — 60-year average.
0.22Cosmo, Monday, 31 August
Climate normal for this date — 60-year average.
0.19Cosmo, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.22Cosmo, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.2Cosmo, Thursday, 3 September
Climate normal for this date — 60-year average.
0.25Cosmo, Friday, 4 September
Climate normal for this date — 60-year average.
0.24Cosmo, Saturday, 5 September
Climate normal for this date — 60-year average.
0.27Cosmo, Sunday, 6 September
Climate normal for this date — 60-year average.
0.21Cosmo, 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 Cosmo, FL 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 Cosmo, FL 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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