Clear Creek (CO) at Derby
0.9 mi- Level
- 3.0 ft
Reading from Fri 8 AM · NWS gauge page
Appearance
Observed 9:52 AM MDT at KBJC
Sunny and 66°19°, 15°8° warmer than a typical Oct 23.
Today: low 49°9° (likely 49°9° to 58°14°), high 79°26° (likely 76°24° to 79°26°).
Now 66°19°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 10a | Mostly sunny | 68°20° (likely 66°19° to 70°21°) | 68°20° | 5% | 10 mph16 km/h from SSW, gusts 25 mph41 km/h | 42% | 16% | 2 |
| Fri 11a | Sunny | 71°22° (likely 70°21° to 73°23°) | 71°22° | 5% | 13 mph21 km/h from SSW, gusts 26 mph42 km/h | 35% | 4% | 4 |
| Fri 12p | Sunny | 74°23° (likely 73°23° to 75°24°) | 74°23° | 0% | 13 mph21 km/h from SSW, gusts 27 mph43 km/h | 29% | 1% | 5 |
| Fri 1p | Sunny | 76°24° (likely 75°24° to 78°26°) | 76°24° | 0% | 14 mph23 km/h from SSW, gusts 27 mph44 km/h | 24% | 0% | 5 |
| Fri 2p | Sunny | 77°25° (likely 76°24° to 79°26°) | 77°25° | 0% | 15 mph24 km/h from SSW, gusts 24 mph39 km/h | 22% | 0% | 5 |
| Fri 3p | Sunny | 78°26° (likely 77°25° to 79°26°) | 78°26° | 0% | 15 mph24 km/h from SSW, gusts 25 mph40 km/h | 20% | 1% | 4 |
| Fri 4p | Sunny | 79°26° (likely 76°24° to 79°26°) | 79°26° | 0% | 14 mph23 km/h from SSW, gusts 26 mph43 km/h | 19% | 11% | 3 |
| Fri 5p | Mostly sunny | 77°25° (likely 75°24° to 77°25°) | 77°25° | 0% | 13 mph21 km/h from SW, gusts 28 mph45 km/h | 20% | 19% | 1 |
| Fri 6p | Mostly clear | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 10 mph16 km/h from SSW, gusts 25 mph40 km/h | 22% | 60% | 0 |
| Fri 7p | Mostly clear | 71°22° (likely 67°19° to 71°22°) | 71°22° | 0% | 8 mph13 km/h from SW, gusts 17 mph28 km/h | 26% | 65% | 0 |
| Fri 8p | Mostly clear | 66°19° (likely 63°17° to 66°19°) | 66°19° | 0% | 6 mph10 km/h from WSW, gusts 8 mph13 km/h | 32% | 59% | 0 |
| Fri 9p | Partly cloudy | 64°18° (likely 59°15° to 64°18°) | 64°18° | 0% | 6 mph10 km/h from WSW, gusts 5 mph9 km/h | 35% | 64% | 0 |
| Fri 10p | Cloudy | 61°16° (likely 56°13° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from WSW, gusts 6 mph10 km/h | 39% | 86% | 0 |
| Fri 11p | Cloudy | 59°15° (likely 55°13° to 59°15°) | 59°15° | 0% | 5 mph8 km/h from WSW, gusts 6 mph9 km/h | 44% | 90% | 0 |
| Sat 12a | Cloudy | 58°14° (likely 53°12° to 58°14°) | 58°14° | 0% | 3 mph5 km/h from W, gusts 4 mph7 km/h | 47% | 87% | 0 |
| Sat 1a | Cloudy | 57°14° (likely 51°11° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from W, gusts 5 mph8 km/h | 49% | 73% | 0 |
| Sat 2a | Partly cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 0% | 2 mph3 km/h from WNW, gusts 3 mph4 km/h | 53% | 47% | 0 |
| Sat 3a | Clear | 54°12° (likely 47°8° to 54°12°) | 54°12° | 0% | 3 mph5 km/h from WNW, gusts 5 mph8 km/h | 52% | 44% | 0 |
| Sat 4a | Cloudy | 53°12° (likely 45°7° to 53°12°) | 53°12° | 0% | 3 mph5 km/h from WNW, gusts 5 mph8 km/h | 54% | 63% | 0 |
| Sat 5a | Cloudy | 52°11° (likely 44°7° to 52°11°) | 52°11° | 0% | 3 mph5 km/h from NNE, gusts 6 mph9 km/h | 56% | 68% | 0 |
| Sat 6a | Cloudy | 52°11° (likely 44°7° to 52°11°) | 52°11° | 10% | 5 mph8 km/h from N, gusts 6 mph10 km/h | 54% | 70% | 0 |
| Sat 7a | Mostly cloudy | 51°11° (likely 44°7° to 51°11°) | 51°11° | 10% | 6 mph10 km/h from N, gusts 6 mph10 km/h | 56% | 66% | 0 |
| Sat 8a | Mostly cloudy | 50°10° (likely 44°7° to 50°10°) | 47°8° | 10% | 7 mph11 km/h from N, gusts 8 mph13 km/h | 58% | 35% | 0 |
| Sat 9a | Partly sunny | 53°12° (likely 48°9° to 53°12°) | 53°12° | 10% | 9 mph14 km/h from NNE, gusts 13 mph21 km/h | 52% | 82% | 1 |
| Sat 10a | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 10% | 10 mph16 km/h from NNE, gusts 14 mph23 km/h | 50% | 85% | 2 |
| Sat 11a | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 10% | 9 mph14 km/h from NNE, gusts 13 mph22 km/h | 48% | 81% | 3 |
| Sat 12p | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 20% | 9 mph14 km/h from NE, gusts 13 mph21 km/h | 47% | 77% | 4 |
| Sat 1p | Cloudy | 54°12° (likely 50°10° to 54°12°) | 54°12° | 20% | 9 mph14 km/h from NNE, gusts 13 mph22 km/h | 45% | 86% | 5 |
| Sat 2p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 20% | 8 mph13 km/h from NE, gusts 13 mph21 km/h | 43% | 85% | 5 |
| Sat 3p | Cloudy | 55°13° (likely 50°10° to 55°13°) | 55°13° | 20% | 8 mph13 km/h from NE, gusts 12 mph20 km/h | 43% | 86% | 3 |
| Sat 4p | Cloudy | 55°13° (likely 49°9° to 55°13°) | 55°13° | 20% | 7 mph11 km/h from NE, gusts 10 mph17 km/h | 41% | 92% | 2 |
| Sat 5p | Showers | 54°12° (likely 48°9° to 54°12°) | 54°12° | 20% | 6 mph10 km/h from ENE, gusts 11 mph17 km/h | 43% | 98% | 1 |
| Sat 6p | Showers | 53°12° (likely 43°6° to 53°12°) | 53°12° | 50%, 0.01 in0.3 mm | 6 mph10 km/h from ENE, gusts 7 mph11 km/h | 43% | 98% | 0 |
| Sat 7p | Drizzle | 51°11° (likely 43°6° to 51°11°) | 51°11° | 50%, 0.01 in0.3 mm | 5 mph8 km/h from ENE, gusts 5 mph9 km/h | 50% | 99% | 0 |
| Sat 8p | Drizzle | 50°10° (likely 42°6° to 50°10°) | 48°9° | 50%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 5 mph8 km/h | 54% | 98% | 0 |
| Sat 9p | Cloudy | 49°9° (likely 41°5° to 49°9°) | 47°8° | 50%, 0.01 in0.3 mm | 5 mph8 km/h from E, gusts 4 mph7 km/h | 58% | 95% | 0 |
| Sat 10p | Cloudy | 48°9° (likely 41°5° to 48°9°) | 47°8° | 50%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 3 mph6 km/h | 63% | 95% | 0 |
| Sat 11p | Cloudy | 47°8° (likely 41°5° to 47°8°) | 46°8° | 50%, 0.01 in0.3 mm | 3 mph5 km/h from E, gusts 5 mph8 km/h | 65% | 97% | 0 |
| Sun 12a | Cloudy | 46°8° (likely 40°4° to 46°8°) | 46°8° | 40% | 2 mph3 km/h from E, gusts 5 mph9 km/h | 71% | 86% | 0 |
| Sun 1a | Cloudy | 45°7° (likely 39°4° to 45°7°) | 45°7° | 40% | 2 mph3 km/h from E, gusts 5 mph9 km/h | 73% | 82% | 0 |
| Sun 2a | Cloudy | 44°7° (likely 39°4° to 45°7°) | 44°7° | 40% | 2 mph3 km/h from E, gusts 6 mph9 km/h | 79% | 79% | 0 |
| Sun 3a | Cloudy | 44°7° (likely 38°3° to 45°7°) | 44°7° | 40% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 79% | 83% | 0 |
| Sun 4a | Cloudy | 44°7° (likely 38°3° to 45°7°) | 44°7° | 40% | 2 mph3 km/h from E, gusts 7 mph11 km/h | 82% | 81% | 0 |
| Sun 5a | Cloudy | 44°7° (likely 37°3° to 45°7°) | 44°7° | 40% | 2 mph3 km/h from ENE, gusts 7 mph11 km/h | 82% | 79% | 0 |
| Sun 6a | Cloudy | 44°7° (likely 36°2° to 45°7°) | 44°7° | 20% | 2 mph3 km/h from NE, gusts 6 mph9 km/h | 86% | 76% | 0 |
| Sun 7a | Showers | 45°7° (likely 34°1° to 47°8°) | 45°7° | 20% | 2 mph3 km/h from NE, gusts 4 mph6 km/h | 82% | 64% | 0 |
| Sun 8a | Showers | 45°7° (likely 33°1° to 46°8°) | 44°7° | 20% | 3 mph5 km/h from NNE, gusts 5 mph7 km/h | 82% | 64% | 0 |
| Sun 9a | Showers | 46°8° (likely 36°2° to 47°8°) | 45°7° | 20% | 3 mph5 km/h from N, gusts 5 mph7 km/h | 79% | 63% | 1 |
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: Sunny. High near 79, with temperatures falling to around 77 in the afternoon. South southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tonight: Partly cloudy. Low around 49, with temperatures rising to around 52 overnight. West wind 2 to 10 mph, with gusts as high as 16 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
50% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
40% chance
Official NWS forecast
Day: A slight chance of rain showers after noon. Partly sunny. High near 56, with temperatures falling to around 54 in the afternoon. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 41. East northeast wind 2 to 6 mph. Chance of precipitation is 50%.
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 · 0.07 in1.7 mm
Overnight
midnight–6 AM
50% chance · 0.05 in1.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly cloudy, with a high near 59. North northeast wind 2 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Night: Rain showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
40% chance · 0.06 in1.5 mm
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: A chance of rain showers before noon. Partly sunny, with a high near 60.
Night: Partly cloudy, with a low around 40.
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 65.
Night: Mostly clear, with a low around 41.
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 66.
Night: Partly cloudy, with a low around 41.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 66°19°).
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 63.
Night: Mostly cloudy, with a low around 40.
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.
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
Dry
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.
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
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 79°, low 49°.
Dry, high 56°, low 41°, cooling off.
Dry, high 59°, low 42°, warming up.
Mostly dry, highs 60–66°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Fri 8 AM · NWS gauge page
Reading from Fri 8:50 AM · NWS gauge page
Reading from Fri 7:45 AM · NWS gauge page
Reading from Fri 7:55 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 83% 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.
Dry air outside (dew point 36°F).
Today, 11:00 AM–3:00 PM
Good stretch to open the windows.
Today’s expected high is 15°8° warmer than typical.
On average 11°6° warmer than normal (daily mean temperature).
Welby weather by month: normals, records, snow and freeze dates
Sunrise 7:18 AM, sunset 6:08 PM.
Clouds most of the night (about 67% cover).
Waxing gibbous
92% lit · growing
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.