Weather in Coal Creek, CO
Coal Creek, Sunday, 9 August, 13:24
Overcast. Feels like 80°. High 83°, low 56°.
Monthly outlook for Coal Creek, CO: average high 77°, average low 54°. That is 2.5° below the climate normal for August. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 8 days and 1.5 inches. The warmest day looks like 24 August (87.5°), the coolest 17 August (49.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 74.8° | 81.5° | -3.7° |
| 19 August – 28 August | 80.6° | 81.2° | -0.3° |
| 29 August – 7 September | at normal | 79.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Boulder (11 mi).
0.05
Coal Creek, Monday, 10 August
Light rain. High 83°, low 53°.
0.02Coal Creek, Tuesday, 11 August
Light rain. High 81°, low 51°.
0.28Coal Creek, Wednesday, 12 August
Rain. High 78°, low 54°.
0.25Coal Creek, Thursday, 13 August
Rain. High 73°, low 53°.
0.51Coal Creek, Friday, 14 August
Rain. High 70°, low 51°.
0.01Coal Creek, Saturday, 15 August
Light rain. High 68°, low 50°.
0.03Coal Creek, Sunday, 16 August
Light rain. High 69°, low 53°.
0
Coal Creek, Monday, 17 August
Partly cloudy. High 70°, low 50°.
0
Coal Creek, Tuesday, 18 August
Mostly clear. High 75°, low 53°.
0.01Coal Creek, Wednesday, 19 August
Light rain. High 77°, low 55°.
0.01Coal Creek, Thursday, 20 August
Light rain. High 80°, low 56°.
0Coal Creek, Friday, 21 August
Partly cloudy. High 79°, low 56°.
0
Coal Creek, Saturday, 22 August
Clear. High 80°, low 57°.
0Coal Creek, Sunday, 23 August
Clear. High 80°, low 58°.
0Coal Creek, Monday, 24 August
Clear. High 88°, low 58°.
0.07Coal Creek, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08
Coal Creek, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08Coal Creek, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07Coal Creek, Friday, 28 August
Climate normal for this date — 60-year average.
0.06Coal Creek, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08Coal Creek, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Coal Creek, Monday, 31 August
Climate normal for this date — 60-year average.
0.08Coal Creek, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Coal Creek, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05Coal Creek, Thursday, 3 September
Climate normal for this date — 60-year average.
0.05Coal Creek, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Coal Creek, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Coal Creek, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Coal 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 Coal Creek, CO 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 Coal Creek, CO 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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