Boulder Creek (CO) at North 75TH St.
0.9 mi- Level
- 4.3 ft
- Flow
- 4 cfs
Reading from Fri 11:15 AM · NWS gauge page
Observed 11:15 AM MDT at KBDU
Gunbarrel, CO weather
Sunny and 72°22°, 14°8° warmer than a typical Oct 23.
Today: low 44°7° (likely 44°7° to 54°12°), high 77°25° (likely 74°23° to 80°27°).
Now 72°22°
Sunny
- Wind
- 6 mph10 km/hgusts 12 mph20 km/h
- From the south. 610–9 mph14 km/h through 11 PM
- Dew point
- 36°2°
- Comfortable
- UV index
- 4Moderate
- Moderate until 5 PM · peak 5
- Air quality (notable)
- 163Unhealthy
- PM10 (dust) · tomorrow good
- Pressure
- 29.9 inHg1013 hPa
- Falling · −0.05 inHg−1.8 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonUp to 77°25° by 3 PM · Clear
TonightDown to 46°8° by 5 AM · Partly cloudy
Tomorrow morningUp to 51°11° by 11 AM · Mostly cloudy
Tomorrow afternoonNear 53°12° · rain chance 20% · Cloudy
Tomorrow nightDown to 38°3° by 5 AM · rain chance 30% · Cloudy
Sunday morningUp to 44°7° by 10 AM · rain chance 10% · Mostly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 11a | Sunny | 69°21° (likely 69°21° to 71°22°) | 69°21° | 5% | 6 mph10 km/h from S, gusts 12 mph20 km/h | 39% | 3% | 3 |
| Fri 12p | Sunny | 73°23° (likely 72°22° to 74°23°) | 73°23° | 0% | 6 mph10 km/h from S, gusts 15 mph25 km/h | 33% | 1% | 4 |
| Fri 1p | Sunny | 75°24° (likely 73°23° to 77°25°) | 75°24° | 0% | 7 mph11 km/h from S, gusts 16 mph25 km/h | 27% | 0% | 5 |
| Fri 2p | Sunny | 75°24° (likely 74°23° to 79°26°) | 75°24° | 0% | 7 mph11 km/h from SW, gusts 14 mph23 km/h | 26% | 9% | 5 |
| Fri 3p | Sunny | 77°25° (likely 74°23° to 80°27°) | 77°25° | 0% | 8 mph13 km/h from W, gusts 15 mph25 km/h | 23% | 3% | 4 |
| Fri 4p | Sunny | 76°24° (likely 73°23° to 79°26°) | 76°24° | 0% | 9 mph14 km/h from W, gusts 16 mph25 km/h | 22% | 19% | 3 |
| Fri 5p | Partly sunny | 73°23° (likely 70°21° to 77°25°) | 73°23° | 0% | 9 mph14 km/h from WNW, gusts 12 mph19 km/h | 26% | 18% | 1 |
| Fri 6p | Partly cloudy | 70°21° (likely 66°19° to 70°21°) | 70°21° | 0% | 8 mph13 km/h from WNW, gusts 11 mph18 km/h | 29% | 23% | 0 |
| Fri 7p | Partly cloudy | 63°17° (likely 61°16° to 65°18°) | 63°17° | 0% | 8 mph13 km/h from WNW, gusts 14 mph22 km/h | 36% | 38% | 0 |
| Fri 8p | Cloudy | 60°16° (likely 58°14° to 62°17°) | 60°16° | 0% | 8 mph13 km/h from W, gusts 18 mph29 km/h | 41% | 72% | 0 |
| Fri 9p | Partly cloudy | 58°14° (likely 56°13° to 61°16°) | 58°14° | 0% | 8 mph13 km/h from W, gusts 17 mph28 km/h | 45% | 76% | 0 |
| Fri 10p | Mostly clear | 56°13° (likely 54°12° to 60°16°) | 56°13° | 0% | 7 mph11 km/h from W, gusts 10 mph16 km/h | 49% | 73% | 0 |
| Fri 11p | Mostly clear | 55°13° (likely 52°11° to 57°14°) | 55°13° | 0% | 6 mph10 km/h from W, gusts 9 mph15 km/h | 51% | 80% | 0 |
| Sat 12a | Partly cloudy | 53°12° (likely 50°10° to 54°12°) | 53°12° | 0% | 6 mph10 km/h from W, gusts 6 mph10 km/h | 54% | 73% | 0 |
| Sat 1a | Mostly clear | 51°11° (likely 49°9° to 54°12°) | 51°11° | 0% | 5 mph8 km/h from W, gusts 5 mph8 km/h | 59% | 49% | 0 |
| Sat 2a | Clear | 50°10° (likely 47°8° to 53°12°) | 48°9° | 0% | 5 mph8 km/h from W, gusts 4 mph7 km/h | 58% | 44% | 0 |
| Sat 3a | Cloudy | 49°9° (likely 45°7° to 51°11°) | 47°8° | 0% | 5 mph8 km/h from W, gusts 6 mph10 km/h | 61% | 63% | 0 |
| Sat 4a | Mostly clear | 47°8° (likely 44°7° to 51°11°) | 46°8° | 0% | 3 mph5 km/h from W, gusts 6 mph9 km/h | 65% | 29% | 0 |
| Sat 5a | Cloudy | 46°8° (likely 44°7° to 49°9°) | 45°7° | 0% | 3 mph5 km/h from W, gusts 4 mph6 km/h | 68% | 71% | 0 |
| Sat 6a | Cloudy | 45°7° (likely 44°7° to 49°9°) | 44°7° | 5% | 3 mph5 km/h from N, gusts 6 mph9 km/h | 70% | 70% | 0 |
| Sat 7a | Cloudy | 44°7° (likely 43°6° to 49°9°) | 41°5° | 5% | 5 mph8 km/h from N, gusts 10 mph17 km/h | 73% | 72% | 0 |
| Sat 8a | Mostly cloudy | 44°7° (likely 44°7° to 49°9°) | 41°5° | 5% | 6 mph10 km/h from ESE, gusts 9 mph14 km/h | 76% | 54% | 0 |
| Sat 9a | Cloudy | 47°8° (likely 46°8° to 50°10°) | 44°7° | 5% | 7 mph11 km/h from ENE, gusts 10 mph16 km/h | 74% | 83% | 1 |
| Sat 10a | Cloudy | 50°10° (likely 46°8° to 52°11°) | 47°8° | 5% | 7 mph11 km/h from ENE, gusts 12 mph19 km/h | 63% | 88% | 2 |
| Sat 11a | Cloudy | 51°11° (likely 47°8° to 52°11°) | 51°11° | 5% | 7 mph11 km/h from NE, gusts 10 mph17 km/h | 61% | 87% | 3 |
| Sat 12p | Partly sunny | 52°11° (likely 48°9° to 52°11°) | 52°11° | 20% | 6 mph10 km/h from ENE, gusts 10 mph17 km/h | 56% | 72% | 4 |
| Sat 1p | Cloudy | 52°11° (likely 49°9° to 53°12°) | 52°11° | 20% | 7 mph11 km/h from ENE, gusts 9 mph15 km/h | 56% | 91% | 4 |
| Sat 2p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 20% | 6 mph10 km/h from ENE, gusts 9 mph15 km/h | 50% | 93% | 4 |
| Sat 3p | Cloudy | 53°12° (likely 50°10° to 53°12°) | 53°12° | 20% | 7 mph11 km/h from ENE, gusts 9 mph15 km/h | 50% | 90% | 3 |
| Sat 4p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 20% | 6 mph10 km/h from E, gusts 9 mph15 km/h | 48% | 94% | 1 |
| Sat 5p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 20% | 5 mph8 km/h from E, gusts 9 mph14 km/h | 48% | 98% | 1 |
| Sat 6p | Drizzle | 50°10° (likely 44°7° to 50°10°) | 49°9° | 30% | 3 mph5 km/h from ENE, gusts 8 mph13 km/h | 54% | 100% | 0 |
| Sat 7p | Drizzle | 47°8° (likely 42°6° to 48°9°) | 46°8° | 30% | 3 mph5 km/h from ENE, gusts 4 mph7 km/h | 65% | 96% | 0 |
| Sat 8p | Drizzle | 46°8° (likely 41°5° to 47°8°) | 45°7° | 30% | 3 mph5 km/h from E, gusts 4 mph7 km/h | 68% | 94% | 0 |
| Sat 9p | Cloudy | 46°8° (likely 40°4° to 46°8°) | 46°8° | 30% | 2 mph3 km/h from ESE, gusts 4 mph6 km/h | 68% | 84% | 0 |
| Sat 10p | Cloudy | 45°7° (likely 40°4° to 46°8°) | 45°7° | 30% | 1 mph2 km/h from ESE, gusts 4 mph6 km/h | 70% | 90% | 0 |
| Sat 11p | Cloudy | 44°7° (likely 39°4° to 44°7°) | 44°7° | 30% | 1 mph2 km/h from ESE, gusts 4 mph6 km/h | 76% | 91% | 0 |
| Sun 12a | Cloudy | 43°6° (likely 38°3° to 44°7°) | 43°6° | 30% | 0 mph0 km/h, gusts 5 mph9 km/h | 79% | 85% | 0 |
| Sun 1a | Cloudy | 42°6° (likely 38°3° to 43°6°) | 42°6° | 30% | 0 mph0 km/h, gusts 6 mph10 km/h | 82% | 89% | 0 |
| Sun 2a | Cloudy | 41°5° (likely 39°4° to 43°6°) | 41°5° | 30% | 0 mph0 km/h, gusts 6 mph10 km/h | 89% | 87% | 0 |
| Sun 3a | Cloudy | 40°4° (likely 39°4° to 42°6°) | 40°4° | 30% | 0 mph0 km/h, gusts 8 mph13 km/h | 92% | 85% | 0 |
| Sun 4a | Cloudy | 39°4° (likely 38°3° to 42°6°) | 39°4° | 30% | 0 mph0 km/h, gusts 7 mph12 km/h | 96% | 84% | 0 |
| Sun 5a | Cloudy | 38°3° (likely 38°3° to 42°6°) | 38°3° | 30% | 0 mph0 km/h, gusts 8 mph12 km/h | 100% | 84% | 0 |
| Sun 6a | Cloudy | 39°4° (likely 37°3° to 41°5°) | 39°4° | 10% | 0 mph0 km/h, gusts 7 mph12 km/h | 100% | 83% | 0 |
| Sun 7a | Cloudy | 39°4° (likely 36°2° to 42°6°) | 39°4° | 10% | 1 mph2 km/h from NNE, gusts 4 mph7 km/h | 100% | 72% | 0 |
| Sun 8a | Cloudy | 40°4° (likely 36°2° to 43°6°) | 40°4° | 10% | 1 mph2 km/h from NNE, gusts 4 mph7 km/h | 100% | 73% | 0 |
| Sun 9a | Cloudy | 42°6° (likely 38°3° to 46°8°) | 42°6° | 10% | 2 mph3 km/h from NNE, gusts 4 mph7 km/h | 96% | 70% | 1 |
| Sun 10a | Mostly cloudy | 44°7° (likely 40°4° to 49°9°) | 44°7° | 10% | 2 mph3 km/h from NE, gusts 5 mph8 km/h | 89% | 45% | 2 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 23. Partly sunny. High 77°25°, low 44°7°. Typical 63°17° / 30°−1°. Dry. Mostly agree.
Afternoon
noon–6 PM
Sunny, 77°25°Dry
Evening
6 PM–midnight
Partly cloudy, 60°16°Dry
Overnight
midnight–6 AM
Cloudy, 46°8°Dry
Official NWS forecast
Today: Mostly sunny. High near 77, with temperatures falling to around 73 in the afternoon. Southwest wind 6 to 9 mph.
Tonight: Partly cloudy. Low around 44, with temperatures rising to around 46 overnight. West wind 3 to 8 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 74°23°–80°27°
- Low, likely
- 44°7°–54°12°
- Typical high / low
- 63°17° / 30°−1°
- Wind
- 18 mph29 km/h, gusts 27 mph43 km/h
- UV peak
- 5
Tomorrow, Oct 24. Drizzle. High 54°12°, low 37°3°. Typical 62°17° / 30°−1°. Rain 0.06 in1.5 mm, 20% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 44°7°Dry
Afternoon
noon–6 PM
Cloudy, 53°12°Dry
Evening
6 PM–midnight
Drizzle, 46°8°30% chance
Overnight
midnight–6 AM
Cloudy, 38°3°30% chance
Official NWS forecast
Day: A slight chance of rain showers after noon. Partly sunny, with a high near 54. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 37. East northeast wind 0 to 3 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 52°11°–55°13°
- Low, likely
- 37°3°–44°7°
- Typical high / low
- 62°17° / 30°−1°
- Wind
- 11 mph18 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Sunday, Oct 25. Mostly cloudy. High 54°12°, low 38°3°. Typical 62°17° / 30°−1°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 40°4°Dry
Afternoon
noon–6 PM
Sunny, 55°13°Dry
Evening
6 PM–midnight
Drizzle, 47°8°70% chance · 0.07 in1.7 mm
Overnight
midnight–6 AM
Drizzle, 44°7°60% chance · 0.07 in1.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after noon. Mostly cloudy, with a high near 54. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 51°11°–59°15°
- Low, likely
- 37°3°–41°5°
- Typical high / low
- 62°17° / 30°−1°
- Wind
- 14 mph23 km/h
- UV peak
- 5
Monday, Oct 26. Showers. High 57°14°, low 35°2°. Typical 62°17° / 30°−1°. Rain 0.11 in2.8 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 44°7°50% chance · 0.04 in1 mm
Afternoon
noon–6 PM
Cloudy, 56°13°30% chance
Evening
6 PM–midnight
Clear, 48°9°Dry
Overnight
midnight–6 AM
Clear, 38°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 57.
Night: Partly cloudy, with a low around 35.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 50°10°–60°16°
- Low, likely
- 35°2°–44°7°
- Typical high / low
- 62°17° / 30°−1°
- Wind
- 8 mph13 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Tuesday, Oct 27. Mostly sunny. High 62°17°, low 37°3°. Typical 61°16° / 29°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 39°4°Dry
Afternoon
noon–6 PM
Sunny, 62°17°Dry
Evening
6 PM–midnight
Clear, 50°10°Dry
Overnight
midnight–6 AM
Clear, 40°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 62.
Night: Mostly clear, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 61°16°–64°18°
- Low, likely
- 35°2°–39°4°
- Typical high / low
- 61°16° / 29°−2°
- Wind
- 9 mph14 km/h
- UV peak
- 4
Wednesday, Oct 28. Partly sunny. High 62°17°, low 37°3°. Typical 61°16° / 29°−2°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 42°5°Dry
Afternoon
noon–6 PM
Mostly sunny, 62°17°Dry
Evening
6 PM–midnight
Mostly clear, 48°9°Dry
Overnight
midnight–6 AM
Clear, 37°3°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 62.
Night: Partly cloudy, with a low around 37.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 60°16°–65°18°
- Low, likely
- 35°2°–43°6°
- Typical high / low
- 61°16° / 29°−2°
- Wind
- 9 mph14 km/h, gusts 32 mph51 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 60°16°, low 36°2°. Typical 60°16° / 29°−2°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 40°4°Dry
Afternoon
noon–6 PM
Cloudy, 61°16°Dry
Evening
6 PM–midnight
Cloudy, 49°9°Dry
Overnight
midnight–6 AM
Partly cloudy, 39°4°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 60.
Night: Mostly cloudy, with a low around 36.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 54°12°–68°20°
- Low, likely
- 35°2°–41°5°
- Typical high / low
- 60°16° / 29°−2°
- Wind
- 9 mph14 km/h, gusts 14 mph23 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 62°17°, low 39°4°. Typical 60°16° / 28°−2°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 42°6°Dry
Afternoon
noon–6 PM
Cloudy, 59°15°Dry
Evening
6 PM–midnight
Clear, 49°9°Dry
Overnight
midnight–6 AM
Mostly clear, 41°5°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.
- High, likely
- 58°14°–63°17°
- Low, likely
- 35°2°–42°6°
- Typical high / low
- 60°16° / 28°−2°
- Wind
- 9 mph14 km/h, gusts 17 mph27 km/h
- UV peak
- 4
Saturday, Oct 31. Cloudy. High 64°18°, low 40°4°. Typical 60°16° / 28°−2°. Dry. Forecasts differ.
Morning
6 AM–noon
Partly sunny, 47°8°Dry
Afternoon
noon–6 PM
Mostly sunny, 65°18°Dry
Evening
6 PM–midnight
Cloudy, 55°13°Dry
Overnight
midnight–6 AM
Cloudy, 45°7°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.
- High, likely
- 59°15°–67°19°
- Low, likely
- 36°2°–45°7°
- Typical high / low
- 60°16° / 28°−2°
- Wind
- 9 mph14 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Sunday, Nov 1. Drizzle. High 58°14°, low 44°7°. Typical 59°15° / 28°−2°. Rain 0.12 in3 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 58°14°Dry
Evening
6 PM–midnight
Cloudy, 53°12°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.
- High, likely
- 54°12°–61°16°
- Low, likely
- 42°6°–46°8°
- Typical high / low
- 59°15° / 28°−2°
- Wind
- 6 mph10 km/h, gusts 18 mph29 km/h
The outlook
Today
Dry, high 77°, low 44°.
Tomorrow
Dry, high 54°, low 37°, cooling off.
Sunday
Dry, high 54°, low 38°.
Rest of week
Mostly dry, highs 57–64°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (BOU) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Below flood stage
Boulder Creek (CO) below Broadway St
6.6 mi- Level
- 1.1 ft
- Flow
- 21 cfs
Reading from Fri 10:15 AM · NWS gauge page
Boulder Creek (CO) near Orodell
9.3 mi- Level
- 1.8 ft
Reading from Fri 11:15 AM · NWS gauge page
Saint Vrain Creek below Longmont
11 mi- Level
- 10.2 ft
- Flow
- 112 cfs
Reading from Fri 10:30 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 79% less heating than a typical week.
This week 29Typical 136
Heating degree days, base 65°F
Heat-pump hours, next 7 days
- h below 47°F
- 22
- h below 17°F
- 0
- h below 5°F
- 0
47, 17 and 5°F are the test points heat pumps are rated at. About 9 hours are near freezing and damp, when outdoor units defrost more often.
Comfort
Dry air outside (dew point 36°F).
Open the windows?
Today, 12:00 PM–8:00 PM
Good stretch to open the windows.
Is this typical?
LONGMONT 2 ESE · official normals 1991–2020 · records 1893–2026
Oct 23, today vs a typical year
Today’s expected high is 14°8° warmer than typical.
- Normal high / low
- 63°17° / 30°−1°
- Forecast high / low
- 77°25° / 44°7°
- Record high
- 86°30° in 2003
- Record low
- 16°−9° in 1920
Last 7 days vs normal
On average 6°3° warmer than normal (daily mean temperature).
- −4°−2°SatOct 17
- +5°+3°SunOct 18
- +9°+5°MonOct 19
- +6°+3°TueOct 20
- +9°+5°WedOct 21
- +13°+7°ThuOct 22
- —FriOct 23
Gunbarrel weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:20 AM, sunset 6:09 PM.
- Daylight
- 10 h 49 min
- Losing 2 min 25 s a day; shortest Dec 21, 1 h 30 min less
- Golden hour
- 5:31–6:26 PM
- Morning 7:03–7:57 AM
- Blue hour
- 6:26–6:37 PM
- Morning 6:52–7:03 AM; first light 6:52 AM
Stars tonight? Poor
Clouds most of the night (about 59% cover).
Moon
Waxing gibbous
93% lit · growing
- Today
- sets 4:29 AM · rises 4:42 PM
- Full moon
- Oct 25
- New moon
- Nov 9
UniColorado Heating & Cooling, a Denver HVAC installer
UniColorado Heating & Cooling installs heat pumps, furnaces and air conditioning across the Front Range. 12,000+ heat pumps installed since 2014.