Meridian, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Meridian, a community in Arapahoe County, Colorado.
Today
80°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a slight chance of showers and thunderstorms. Mostly sunny. High near 80, with temperatures falling to around 75 in the afternoon. East northeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
7-day forecast for Meridian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Smoke | 6 to 10 mph ENE | 21% |
| Tonight | 57°F | Patchy Smoke | 5 to 13 mph SSW | 15% |
| Wednesday | 86°F | Patchy Smoke then Sunny | 3 to 10 mph NNE | 0% |
| Wednesday Night | 61°F | Mostly Clear | 9 to 13 mph SSE | 6% |
| Thursday | 94°F | Sunny | 3 to 9 mph NNW | 0% |
| Thursday Night | 63°F | Clear | 7 to 10 mph SSE | 3% |
| Friday | 96°F | Sunny | 6 to 9 mph NE | 0% |
| Friday Night | 67°F | Mostly Clear | 9 to 15 mph SSE | 1% |
| Saturday | 97°F | Sunny | 6 to 14 mph NW | 0% |
| Saturday Night | 67°F | Partly Cloudy | 9 to 14 mph SSE | 1% |
| Sunday | 97°F | Sunny | 5 to 9 mph SSE | 7% |
| Sunday Night | 68°F | Partly Cloudy | 12 mph SSW | 4% |
| Monday | 96°F | Sunny | 7 to 10 mph NW | 11% |
| Monday Night | 66°F | Partly Cloudy | 6 to 10 mph WNW | 14% |
Forecast source: National Weather Service (api.weather.gov) for Meridian (39.546, -104.853). Updated through the day.
Growing snapshot for Meridian
Last spring frost
May 5
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
6a
More local growing data for Meridian: nearby ZIP 80112 weather · frost dates · planting calendar · Colorado frost dates
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Littleton
Meridian Village
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Watkins
Climate data from the nearest NOAA station, Denver Centennial Ap, Co (0.9 mi from Meridian). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.