Clear Creek (CO) at Derby
2.4 mi- Level
- 3.0 ft
Reading from Sat 10 AM · NWS gauge page
Appearance
Observed 9:50 AM MDT at KBJC
Sunny and 48°9°, 8°4° colder than a typical Oct 24, rain ~3–8 PM (60%).
Today: low 40°4° (likely 40°4° to 47°8°), high 55°13° (likely 55°13° to 58°14°).
Now 48°9°
Sunny · Feels like 43°6°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Mostly cloudy | 52°11° (likely 50°10° to 55°13°) | 52°11° | 10% | 9 mph14 km/h from NNE, gusts 14 mph23 km/h | 53% | 45% | 3 |
| Sat 12p | Mostly cloudy | 52°11° (likely 51°11° to 55°13°) | 52°11° | 10%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 14 mph22 km/h | 49% | 45% | 4 |
| Sat 1p | Cloudy | 53°12° (likely 52°11° to 56°13°) | 53°12° | 10%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 13 mph20 km/h | 48% | 78% | 5 |
| Sat 2p | Cloudy | 54°12° (likely 53°12° to 56°13°) | 54°12° | 10%, 0.01 in0.3 mm | 8 mph13 km/h from NE, gusts 13 mph21 km/h | 45% | 82% | 5 |
| Sat 3p | Cloudy | 54°12° (likely 53°12° to 56°13°) | 54°12° | 40%, 0.01 in0.3 mm | 8 mph13 km/h from NE, gusts 12 mph19 km/h | 45% | 84% | 4 |
| Sat 4p | Cloudy | 53°12° (likely 52°11° to 56°13°) | 53°12° | 40%, 0.01 in0.3 mm | 7 mph11 km/h from ENE, gusts 10 mph16 km/h | 47% | 72% | 1 |
| Sat 5p | Cloudy | 52°11° (likely 51°11° to 54°12°) | 52°11° | 40%, 0.01 in0.3 mm | 7 mph11 km/h from ENE, gusts 11 mph17 km/h | 47% | 95% | 0 |
| Sat 6p | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 60%, 0.05 in1.3 mm | 6 mph10 km/h from E, gusts 10 mph17 km/h | 53% | 99% | 0 |
| Sat 7p | Cloudy | 50°10° (likely 45°7° to 51°11°) | 48°9° | 60%, 0.05 in1.3 mm | 5 mph8 km/h from E, gusts 9 mph15 km/h | 59% | 96% | 0 |
| Sat 8p | Cloudy | 49°9° (likely 44°7° to 49°9°) | 48°9° | 60%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 8 mph13 km/h | 61% | 99% | 0 |
| Sat 9p | Cloudy | 48°9° (likely 43°6° to 48°9°) | 47°8° | 30%, 0.05 in1.3 mm | 3 mph5 km/h from E, gusts 7 mph12 km/h | 68% | 97% | 0 |
| Sat 10p | Cloudy | 47°8° (likely 43°6° to 47°8°) | 46°8° | 30%, 0.05 in1.3 mm | 3 mph5 km/h from ESE, gusts 6 mph10 km/h | 71% | 98% | 0 |
| Sat 11p | Cloudy | 46°8° (likely 42°6° to 47°8°) | 46°8° | 30%, 0.05 in1.3 mm | 2 mph3 km/h from ESE, gusts 6 mph9 km/h | 73% | 88% | 0 |
| Sun 12a | Cloudy | 46°8° (likely 40°4° to 47°8°) | 45°7° | 5% | 3 mph5 km/h from SE, gusts 7 mph11 km/h | 75% | 86% | 0 |
| Sun 1a | Cloudy | 45°7° (likely 39°4° to 46°8°) | 45°7° | 5% | 2 mph3 km/h from SE, gusts 6 mph10 km/h | 78% | 83% | 0 |
| Sun 2a | Cloudy | 46°8° (likely 39°4° to 46°8°) | 46°8° | 5% | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 78% | 83% | 0 |
| Sun 3a | Cloudy | 44°7° (likely 39°4° to 44°7°) | 44°7° | 5% | 2 mph3 km/h from ESE, gusts 6 mph10 km/h | 84% | 85% | 0 |
| Sun 4a | Cloudy | 44°7° (likely 38°3° to 44°7°) | 44°7° | 5% | 2 mph3 km/h from E, gusts 3 mph5 km/h | 83% | 81% | 0 |
| Sun 5a | Cloudy | 43°6° (likely 37°3° to 43°6°) | 43°6° | 5% | 2 mph3 km/h from NE, gusts 3 mph5 km/h | 86% | 84% | 0 |
| Sun 6a | Mostly clear | 41°5° (likely 37°3° to 42°6°) | 41°5° | 0% | 2 mph3 km/h from NE, gusts 5 mph8 km/h | 91% | 56% | 0 |
| Sun 7a | Sunny | 42°6° (likely 37°3° to 42°6°) | 42°6° | 0% | 2 mph3 km/h from NNE, gusts 7 mph12 km/h | 88% | 40% | 0 |
| Sun 8a | Mostly cloudy | 42°6° (likely 37°3° to 42°6°) | 40°4° | 0% | 3 mph5 km/h from N, gusts 7 mph12 km/h | 88% | 44% | 0 |
| Sun 9a | Partly sunny | 45°7° (likely 40°4° to 45°7°) | 42°6° | 5% | 5 mph8 km/h from N, gusts 7 mph11 km/h | 84% | 59% | 1 |
| Sun 10a | Mostly cloudy | 48°9° (likely 42°6° to 48°9°) | 46°8° | 5% | 5 mph8 km/h from N, gusts 6 mph9 km/h | 75% | 46% | 2 |
| Sun 11a | Sunny | 50°10° (likely 45°7° to 50°10°) | 49°9° | 5% | 3 mph5 km/h from NNE, gusts 8 mph13 km/h | 70% | 12% | 3 |
| Sun 12p | Sunny | 52°11° (likely 49°9° to 54°12°) | 52°11° | 10% | 5 mph8 km/h from NNE, gusts 8 mph12 km/h | 60% | 14% | 4 |
| Sun 1p | Sunny | 56°13° (likely 51°11° to 57°14°) | 56°13° | 10% | 5 mph8 km/h from NNE, gusts 8 mph12 km/h | 54% | 18% | 5 |
| Sun 2p | Partly sunny | 58°14° (likely 53°12° to 60°16°) | 58°14° | 10% | 6 mph10 km/h from NNE, gusts 11 mph18 km/h | 51% | 19% | 5 |
| Sun 3p | Sunny | 59°15° (likely 55°13° to 61°16°) | 59°15° | 20% | 8 mph13 km/h from N, gusts 12 mph19 km/h | 49% | 28% | 4 |
| Sun 4p | Sunny | 60°16° (likely 55°13° to 60°16°) | 60°16° | 20% | 8 mph13 km/h from N, gusts 12 mph19 km/h | 50% | 26% | 3 |
| Sun 5p | Showers | 59°15° (likely 54°12° to 59°15°) | 59°15° | 20% | 9 mph14 km/h from N, gusts 15 mph24 km/h | 52% | 62% | 1 |
| Sun 6p | Cloudy | 57°14° (likely 51°11° to 57°14°) | 57°14° | 60%, 0.02 in0.5 mm | 9 mph14 km/h from N, gusts 14 mph23 km/h | 55% | 69% | 0 |
| Sun 7p | Cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 60%, 0.02 in0.5 mm | 8 mph13 km/h from N, gusts 13 mph21 km/h | 61% | 80% | 0 |
| Sun 8p | Cloudy | 52°11° (likely 46°8° to 53°12°) | 52°11° | 60%, 0.02 in0.5 mm | 7 mph11 km/h from N, gusts 11 mph17 km/h | 71% | 82% | 0 |
| Sun 9p | Showers | 51°11° (likely 46°8° to 52°11°) | 51°11° | 60%, 0.02 in0.5 mm | 7 mph11 km/h from NNW, gusts 18 mph28 km/h | 76% | 98% | 0 |
| Sun 10p | Cloudy | 51°11° (likely 46°8° to 51°11°) | 51°11° | 60%, 0.02 in0.5 mm | 6 mph10 km/h from NNW, gusts 22 mph35 km/h | 76% | 97% | 0 |
| Sun 11p | Cloudy | 50°10° (likely 45°7° to 50°10°) | 48°9° | 60%, 0.02 in0.5 mm | 6 mph10 km/h from NNW, gusts 20 mph33 km/h | 78% | 94% | 0 |
| Mon 12a | Cloudy | 50°10° (likely 44°7° to 50°10°) | 47°8° | 50%, 0.02 in0.5 mm | 6 mph10 km/h from NNW, gusts 17 mph27 km/h | 81% | 93% | 0 |
| Mon 1a | Cloudy | 50°10° (likely 44°7° to 50°10°) | 48°9° | 50%, 0.02 in0.5 mm | 5 mph8 km/h from NNW, gusts 16 mph26 km/h | 81% | 95% | 0 |
| Mon 2a | Cloudy | 49°9° (likely 44°7° to 49°9°) | 48°9° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from NNW, gusts 12 mph20 km/h | 81% | 98% | 0 |
| Mon 3a | Cloudy | 48°9° (likely 44°7° to 48°9°) | 47°8° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from NNW, gusts 9 mph15 km/h | 84% | 100% | 0 |
| Mon 4a | Cloudy | 47°8° (likely 44°7° to 48°9°) | 46°8° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from N, gusts 6 mph10 km/h | 87% | 97% | 0 |
| Mon 5a | Cloudy | 46°8° (likely 44°7° to 48°9°) | 45°7° | 50%, 0.02 in0.5 mm | 3 mph5 km/h from N, gusts 7 mph12 km/h | 89% | 93% | 0 |
| Mon 6a | Mostly cloudy | 46°8° (likely 44°7° to 49°9°) | 45°7° | 10% | 3 mph5 km/h from N, gusts 9 mph14 km/h | 89% | 91% | 0 |
| Mon 7a | Mostly cloudy | 44°7° (likely 44°7° to 49°9°) | 43°6° | 10% | 3 mph5 km/h from NNW, gusts 8 mph13 km/h | 92% | 89% | 0 |
| Mon 8a | Cloudy | 45°7° (likely 44°7° to 49°9°) | 43°6° | 10% | 5 mph8 km/h from N, gusts 7 mph12 km/h | 89% | 91% | 0 |
| Mon 9a | Cloudy | 48°9° (likely 44°7° to 50°10°) | 46°8° | 10% | 5 mph8 km/h from N, gusts 6 mph10 km/h | 80% | 91% | 0 |
| Mon 10a | Partly sunny | 51°11° (likely 46°8° to 51°11°) | 50°10° | 10% | 3 mph5 km/h from N, gusts 4 mph6 km/h | 70% | 82% | 1 |
Afternoon
noon–6 PM
40% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
60% chance · 0.3 in7.6 mm
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: A chance of rain showers after 3pm. Mostly cloudy. High near 55, with temperatures falling to around 52 in the afternoon. Northeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Rain showers likely before midnight. Cloudy. Low around 40, with temperatures rising to around 43 overnight. East wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
60% chance · 0.12 in3 mm
Overnight
midnight–6 AM
50% chance · 0.12 in3 mm
Official NWS forecast
Day: A slight chance of rain showers after 3pm. Partly sunny, with a high near 60. North northeast wind 2 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 43. North wind 3 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63. East northeast wind around 5 mph.
Night: Mostly clear, with a low around 38.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 68.
Night: Mostly clear, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 67.
Night: Partly cloudy, with a low around 40.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 68.
Night: Partly cloudy, with a low around 43.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance · 0.04 in0.9 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
20% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
42% chance of rain, high 55°, low 40°.
Dry, high 60°, low 43°, warming up.
Dry, high 63°, low 38°, warming up.
Mostly dry, highs 53–68°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 10 AM · NWS gauge page
Reading from Sat 9:50 AM · NWS gauge page
Reading from Sat 9:45 AM · NWS gauge page
Reading from Sat 9:48 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 76% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 3 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 30°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 8°4° colder than typical.
On average 10°6° warmer than normal (daily mean temperature).
Twin Lakes weather by month: normals, records, snow and freeze dates
Sunrise 7:20 AM, sunset 6:07 PM.
Clouds most of the night (about 87% cover).
Waxing gibbous
97% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.