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Johnstown, CO 80534 Weather
Current conditions
Observed at Fort Collins/Loveland - Northern Colorado Regional Airport · 1 hr ago
Forecast
10-day-
Tonight
Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. North northeast wind around 5 mph.
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Thursday
A chance of rain showers after noon. Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 30%.
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Thursday Night
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 51. West northwest wind around 5 mph. Chance of precipitation is 20%.
National Weather Service forecast updated 5 hrs ago.
Hourly
Hourly forecast- Now72°
- 7 PM69°
- 8 PM64°
- 9 PM62°
- 10 PM60°
- 11 PM58°
- Thu12 AM55°
- 1 AM53°
- 2 AM52°
- 3 AM51°
- 4 AM51°
- 5 AM50°
- 6 AM49°
- 7 AM48°
- 8 AM49°
- 9 AM54°
- 10 AM60°
- 11 AM64°
- 12 PM68°15%
- 1 PM71°15%
- 2 PM73°15%
- 3 PM74°26%
- 4 PM75°26%
- 5 PM73°26%
10-day forecast
Details- TodayOct 21Partly Sunny48°76°
- ThuOct 22Mostly Cloudy then Chance Rain Showers26%51°75°
- FriOct 23Mostly Sunny45°81°
- SatOct 24Partly Sunny then Slight Chance Rain Showers63%40°58°
- SunOct 25Slight Chance Rain Showers then Mostly Cloudy34%38°56°
- MonOct 26Partly Sunny14%35°57°
- TueOct 27Mostly Sunny36°62°
- WedOct 28Mostly sunny37°62°
- ThuOct 29Mostly sunny32°53°
- FriOct 30Sunny31°59°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Colorado
More weather news-
Southwest Colorado braces for heavy rain while dry and warm weather continue for DenverCBS News Southwest Colorado braces for heavy rain while dry and warm weather continue for Denver I-25 expansion project in Northern Colorado nears completion Ugandan priest released from ICE custody after more than a…
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More clouds for Front Range with flooding rains heading to southwest ColoradoCBS News More clouds for Front Range with flooding rains heading to southwest Colorado MS misdiagnoses raise concerns, Colorado doctors warn of unnecessary treatment risks College bound Coloradans get ready for state…
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Heavy rain could bring flash flooding to New Mexico, southwest Colorado through FridayKRQE A strong storm system will bring widespread rain to New Mexico and southwest Colorado starting Wednesday, with several inches of rain possible in some areas through Friday Heavy rainfall could lead to flash…
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5 El Niño myths, busted. Here's what the 'Godzilla' El Niño could really mean for ColoradoSnow on Star Dune and Crestone Peaks in Great Sand Dunes National Park and Preserve. As a record-breaking El Niño continues to strengthen in the Pacific Ocean, the world is entering uncharted territory. As El Niño…
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A warm week is on tap for southern Colorado with mountain shower chancesKOAA News 5 Tonight's Forecast:Overnight lows continue to stay mild in the 40s for most Not much cloud cover is expected into the overnight while southern Colorado stays dry.Colorado Springs forecast: Low: 46; High…
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Heavy rain and flash flooding possible in New Mexico, southwest Colorado this weekKRQE A strong storm system will bring widespread rain to New Mexico and southwest Colorado Wednesday through Friday Heavy rainfall could lead to flash flooding, especially Thursday and Friday Several inches of rain are…
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More snow on the way for Colorado’s Western Slope as temperatures dropNewsNews | Oct 19, 2026 October is bringing in another round of stormy weather to wrap up the cooling month, translating into rain — and later, snow — for parts of western Colorado. So far, this October has been “wetter…
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Colorado Springs weather: Clear skies, milder temperatures this weekMonday is expected to be sunny, with light, variable winds and a high in the upper 60s, said News 5 meteorologist Lauren Brand. “These calm conditions will last over the next few days as this ridge of high pressure…
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A warmer than average Sunday on tap for southern ColoradoKKTV A warmer than average Sunday on tap for southern Colorado
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Warm and dry conditions for most of the week in Southern ColoradoTonight we will see partly cloudy skies for most areas in Southern Colorado. We will have winds out of the east at around 5 to 10 mph. Lows will fall into the mid to upper 40s. Monday will bring us most sunny skies but…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- WedGood
- ThuGood
Fort Collins, CO reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLongmont 2 Ese, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Fort Collins 31 km
- Thornton 52 km
- Westminster 56 km
- Greeley 21 km
- Boulder 46 km
- Longmont 24 km
- Loveland 15 km
- Broomfield 48 km
- Commerce City 59 km
- Northglenn 50 km
- Brighton 40 km
- Windsor 16 km
Forecasters' discussion
From the National Weather Service office in BOU, issued 4 hrs ago
Key Messages
- Warm and dry conditions continue across the lower elevations for the next few days, with scattered light rain and snow showers across the higher elevations.
- Cooler, more unsettled weather returns this weekend across the forecast area.
- At least a brief warm-up likely sometime early next week.
Bou Watches
None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.