Meridian, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Meridian, a community in Arapahoe County, Colorado.
This Afternoon
56°F
Sunny
Sunny. High near 56, with temperatures falling to around 49 in the afternoon. Northeast wind 3 to 7 mph.
7-day forecast for Meridian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Sunny | 3 to 7 mph NE | 0% |
| Tonight | 32°F | Mostly Clear | 3 to 7 mph SSE | 0% |
| Wednesday | 56°F | Mostly Sunny then Chance Rain Showers | 2 to 9 mph NE | 28% |
| Wednesday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 6 mph NW | 35% |
| Thursday | 56°F | Sunny | 2 to 7 mph N | 0% |
| Thursday Night | 34°F | Partly Cloudy | 5 to 8 mph S | 1% |
| Friday | 56°F | Mostly Sunny | 6 mph NNW | 9% |
| Friday Night | 33°F | Mostly Clear | 7 mph S | 9% |
| Saturday | 59°F | Sunny | 2 to 8 mph WSW | 2% |
| Saturday Night | 33°F | Clear | 3 to 10 mph SSE | 1% |
| Sunday | 68°F | Sunny | 3 to 12 mph SSE | 0% |
| Sunday Night | 38°F | Mostly Clear | 6 to 10 mph SSW | 0% |
| Monday | 66°F | Sunny | 3 to 10 mph SSE | 0% |
| Monday Night | 39°F | Partly Cloudy | 9 mph S | 0% |
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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Inverness
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 Nov 3, 2026.