Arvada, WY Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms Likely then Patchy Fog
Showers and thunderstorms likely before midnight, then patchy fog and a chance of showers and thunderstorms between midnight and 3am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. North wind around 6 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms Likely then Patchy Fog | 6 mph N | 65% |
| Saturday | 69°F | Patchy Fog then Chance Showers And Thunderstorms | 3 to 8 mph N | 69% |
| Saturday Night | 50°F | Showers And Thunderstorms | 5 to 9 mph NNW | 87% |
| Sunday | 64°F | Rain Showers | 5 to 9 mph NW | 89% |
| Sunday Night | 48°F | Rain Showers Likely then Cloudy | 2 to 7 mph NW | 55% |
| Monday | 72°F | Partly Sunny | 5 mph SSE | 2% |
| Monday Night | 49°F | Mostly Clear | 6 to 14 mph SE | 0% |
| Tuesday | 79°F | Sunny | 5 to 9 mph SSE | 0% |
| Tuesday Night | 54°F | Partly Cloudy | 6 mph ESE | 9% |
| Wednesday | 81°F | Sunny | 5 mph SSE | 10% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph ESE | 6% |
| Thursday | 83°F | Sunny | 7 mph SSE | 4% |
| Thursday Night | 55°F | Partly Cloudy | 8 mph SE | 2% |
| Friday | 84°F | Mostly Sunny | 10 mph SSE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arvada, WY
Last spring frost
May 21
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
4b
Explore more for Arvada, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Echeta 2 Nw, Wy (14.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.