Monthly outlook for Bonanza Mountain Estates, CO: average high 77.4°, average low 54.1°. That is 2.3° below the climate normal for August. Precipitation is expected on 10 days (about 4.4 inches), against a normal of 8 days and 1.4 inches. The warmest day looks like 8 August (86°), the coolest 10 August (51.4°).
77.4°/54.1°
Average high / low
−2.3°
Below normal
10 / 8
Wet days / normal
4.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
78.3°
81.5°
-1.8°
18 August – 27 August
75.8°
81.3°
-3°
28 August – 6 September
at normal
80.2°
—
August records over 66 years
97.9°7 August 2025All-time high
40.5°28 August 2004All-time low
Climate normals and records are computed from the nearest reference point — Boulder (12 mi).
Sun, 0983° / 56°0.06
83 °
Bonanza Mountain Estates, Sunday, 9 August
Light rain. High 83°, low 56°.
Pressure29.94 inHg
Wind8.7 mph NW
Humidity16%
Visibility6.2 mi
Dew point29°
Mon, 1085° / 51°0.02
85 °
Bonanza Mountain Estates, Monday, 10 August
Light rain. High 85°, low 51°.
Pressure29.94 inHg
Wind1.8 mph N
Humidity22%
Visibility6.2 mi
Dew point39°
Tue, 1183° / 56°0.02
83 °
Bonanza Mountain Estates, Tuesday, 11 August
Light rain. High 83°, low 56°.
Pressure29.94 inHg
Wind9.5 mph E
Humidity23%
Visibility6.2 mi
Dew point37°
Wed, 1281° / 55°0.25
81 °
Bonanza Mountain Estates, Wednesday, 12 August
Rain. High 81°, low 55°.
Pressure29.85 inHg
Wind12.2 mph E
Humidity21%
Visibility6.2 mi
Dew point36°
Thu, 1375° / 53°1.55
75 °
Bonanza Mountain Estates, Thursday, 13 August
Heavy rain. High 75°, low 53°.
Pressure29.85 inHg
Wind11 mph W
Humidity36%
Visibility—
Dew point44°
Fri, 1472° / 55°0.21
72 °
Bonanza Mountain Estates, Friday, 14 August
Light rain. High 72°, low 55°.
Pressure30.03 inHg
Wind6.2 mph W
Humidity58%
Visibility—
Dew point50°
Sat, 1567° / 54°0.59
67 °
Bonanza Mountain Estates, Saturday, 15 August
Rain. High 67°, low 54°.
Pressure30.18 inHg
Wind7.7 mph E
Humidity66%
Visibility—
Dew point53°
Sun, 1674° / 53°0.09
74 °
Bonanza Mountain Estates, Sunday, 16 August
Light rain. High 74°, low 53°.
Pressure30.12 inHg
Wind9.2 mph W
Humidity35%
Visibility—
Dew point42°
Mon, 1778° / 54°0.11
78 °
Bonanza Mountain Estates, Monday, 17 August
Light rain. High 78°, low 54°.
Pressure30.09 inHg
Wind9.8 mph W
Humidity27%
Visibility—
Dew point38°
Tue, 1881° / 56°0
81 °
Bonanza Mountain Estates, Tuesday, 18 August
Clear. High 81°, low 56°.
Pressure30.06 inHg
Wind10.6 mph W
Humidity25%
Visibility—
Dew point38°
Wed, 1974° / 54°0.86
74 °
Bonanza Mountain Estates, Wednesday, 19 August
Heavy rain. High 74°, low 54°.
Pressure30.06 inHg
Wind9.1 mph E
Humidity43%
Visibility—
Dew point48°
Thu, 2072° / 53°0.19
72 °
Bonanza Mountain Estates, Thursday, 20 August
Rain. High 72°, low 53°.
Pressure30.00 inHg
Wind9.9 mph W
Humidity40%
Visibility—
Dew point44°
Fri, 2172° / 52°0.45
72 °
Bonanza Mountain Estates, Friday, 21 August
Rain. High 72°, low 52°.
Pressure29.88 inHg
Wind14.8 mph W
Humidity40%
Visibility—
Dew point44°
Sat, 2278° / 52°0
78 °
Bonanza Mountain Estates, Saturday, 22 August
Partly cloudy. High 78°, low 52°.
Pressure29.97 inHg
Wind9.7 mph W
Humidity22%
Visibility—
Dew point31°
Sun, 2377° / 56°0
77 °
Bonanza Mountain Estates, Sunday, 23 August
Partly cloudy. High 77°, low 56°.
Pressure29.94 inHg
Wind8.9 mph W
Humidity26%
Visibility—
Dew point37°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2481° / 56°0.09
81 °
Bonanza Mountain Estates, Monday, 24 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.09 in
Chance of precipitation37%
Record high93° (2020)
Record low44° (1968)
Tue, 2581° / 56°0.07
81 °
Bonanza Mountain Estates, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.07 in
Chance of precipitation50%
Record high94° (2019)
Record low47° (1972)
Wed, 2681° / 56°0.08
81 °
Bonanza Mountain Estates, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.08 in
Chance of precipitation48%
Record high91° (1994)
Record low48° (1992)
Thu, 2781° / 56°0.08
81 °
Bonanza Mountain Estates, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high81°
Average low56°
Average precipitation0.08 in
Chance of precipitation42%
Record high92° (2012)
Record low43° (1992)
Fri, 2881° / 55°0.07
81 °
Bonanza Mountain Estates, Friday, 28 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.07 in
Chance of precipitation57%
Record high90° (2013)
Record low40° (2004)
Sat, 2981° / 55°0.06
81 °
Bonanza Mountain Estates, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.06 in
Chance of precipitation40%
Record high93° (2012)
Record low46° (2004)
Sun, 3081° / 55°0.08
81 °
Bonanza Mountain Estates, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high81°
Average low55°
Average precipitation0.08 in
Chance of precipitation40%
Record high91° (2005)
Record low44° (1964)
Mon, 3180° / 55°0.07
80 °
Bonanza Mountain Estates, Monday, 31 August
Climate normal for this date — 60-year average.
Average high80°
Average low55°
Average precipitation0.07 in
Chance of precipitation42%
Record high93° (2011)
Record low44° (1968)
Tue, 0180° / 54°0.08
80 °
Bonanza Mountain Estates, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low54°
Average precipitation0.08 in
Chance of precipitation37%
Record high94° (2019)
Record low42° (1965)
Wed, 0280° / 53°0.06
80 °
Bonanza Mountain Estates, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low53°
Average precipitation0.06 in
Chance of precipitation38%
Record high95° (2019)
Record low41° (1974)
Thu, 0380° / 53°0.05
80 °
Bonanza Mountain Estates, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high80°
Average low53°
Average precipitation0.05 in
Chance of precipitation30%
Record high92° (2017)
Record low37° (1961)
Fri, 0480° / 53°0.05
80 °
Bonanza Mountain Estates, Friday, 4 September
Climate normal for this date — 60-year average.
Average high80°
Average low53°
Average precipitation0.05 in
Chance of precipitation33%
Record high92° (1960)
Record low41° (1961)
Sat, 0580° / 53°0.05
80 °
Bonanza Mountain Estates, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low53°
Average precipitation0.05 in
Chance of precipitation25%
Record high94° (2020)
Record low44° (1962)
Sun, 0679° / 53°0.06
79 °
Bonanza Mountain Estates, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high79°
Average low53°
Average precipitation0.06 in
Chance of precipitation40%
Record high95° (2020)
Record low43° (1968)
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 Bonanza Mountain Estates, 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 Bonanza Mountain Estates, 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.