Longmont, Colorado Weather
Longmont, Colorado — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Longmont, Boulder County.
Flight conditions near Longmont. Data source: locating…
About Longmont, Colorado
Longmont, Colorado, unfolds against a backdrop of sweeping plains that gently rise towards the formidable Rocky Mountains, a constant and majestic presence on the western horizon. It lies 8.5 miles north-north-west of Erie, CO (from Erie, CO: bearing 341°T), and is situated 9.5 miles west-north-west of Firestone. This landscape, shaped by ancient rivers and the persistent winds of the high plains, has long dictated the rhythm of life here, first for indigenous peoples and later for the pioneers who recognized its agricultural promise. Established in the late 19th century, Longmont quickly became a hub for farming and ranching, its economy deeply rooted in the fertile soil irrigated by canals drawing from the St. Vrain River. The air here, crisp and carrying the scent of sun-baked earth, still whispers of that agrarian past, even as new industries, particularly in technology and advanced manufacturing, have woven themselves into the town's economic fabric. The cultural character of Longmont is one of pragmatic optimism, a blend of frontier resilience and a forward-looking spirit that embraces innovation. While the city boasts no single iconic landmark of national renown, its charm lies in the quiet dignity of its historic downtown, where the legacy of early settlers is palpable in the brick facades and the enduring community spirit. The nearby Rocky Mountain National Park serves as a grand, accessible extension of the region's natural beauty, offering unparalleled opportunities for outdoor recreation. Longmont is also home to higher education institutions that contribute to its intellectual vibrancy, and a local identity forged through community events and the shared experience of living in a place where the vastness of the sky feels particularly close.
Live animated radar for Longmont and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Longmont, Boulder County, Colorado |
| Coordinates | 40.167207°N, 105.101928°W |
| Timezone | Mountain Time (America/Denver) |
| ZIP Code(s) | 80501, 80502, 80503, 80504 |
| Area Code | 303, 720 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Longmont, Colorado Weather Page
This page provides live weather conditions and forecasts for Longmont, Colorado, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Longmont includes coordinates 40.167207°N, 105.101928°W, situated in Boulder County. ZIP code 80501, 80502, 80503, 80504. Telephone area code: 303, 720. Timezone: Mountain Time (America/Denver).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
