Weather in St. Ann Highlands, CO
St. Ann Highlands, Sunday, 9 August, 13:39
Overcast. Feels like 81°. High 83°, low 58°.
Monthly outlook for St. Ann Highlands, CO: average high 79.4°, average low 55.9°. That is 1.1° below the climate normal for August. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 8 days and 1.5 inches. The warmest day looks like 24 August (89.4°), the coolest 17 August (50.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 77.5° | 81.5° | -2.2° |
| 19 August – 28 August | 82.6° | 81.2° | +0.8° |
| 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).
0.06
St. Ann Highlands, Monday, 10 August
Light rain. High 85°, low 55°.
0.01St. Ann Highlands, Tuesday, 11 August
Light rain. High 83°, low 53°.
0.41St. Ann Highlands, Wednesday, 12 August
Rain. High 82°, low 57°.
0.26St. Ann Highlands, Thursday, 13 August
Rain. High 76°, low 55°.
0.44St. Ann Highlands, Friday, 14 August
Rain. High 74°, low 53°.
0.02St. Ann Highlands, Saturday, 15 August
Light rain. High 71°, low 52°.
0.08St. Ann Highlands, Sunday, 16 August
Light rain. High 71°, low 53°.
0St. Ann Highlands, Monday, 17 August
Overcast. High 73°, low 51°.
0
St. Ann Highlands, Tuesday, 18 August
Partly cloudy. High 76°, low 54°.
0.02St. Ann Highlands, Wednesday, 19 August
Light rain. High 79°, low 56°.
0.01St. Ann Highlands, Thursday, 20 August
Light rain. High 83°, low 58°.
0St. Ann Highlands, Friday, 21 August
Partly cloudy. High 80°, low 58°.
0.01St. Ann Highlands, Saturday, 22 August
Light rain. High 82°, low 59°.
0
St. Ann Highlands, Sunday, 23 August
Clear. High 82°, low 60°.
0St. Ann Highlands, Monday, 24 August
Clear. High 89°, low 61°.
0.07St. Ann Highlands, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08
St. Ann Highlands, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.08St. Ann Highlands, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07St. Ann Highlands, Friday, 28 August
Climate normal for this date — 60-year average.
0.06St. Ann Highlands, Saturday, 29 August
Climate normal for this date — 60-year average.
0.08St. Ann Highlands, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07St. Ann Highlands, Monday, 31 August
Climate normal for this date — 60-year average.
0.08St. Ann Highlands, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06St. Ann Highlands, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05St. Ann Highlands, Thursday, 3 September
Climate normal for this date — 60-year average.
0.05St. Ann Highlands, Friday, 4 September
Climate normal for this date — 60-year average.
0.05St. Ann Highlands, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06St. Ann Highlands, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07St. Ann Highlands, 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 St. Ann Highlands, 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 St. Ann Highlands, 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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