Fontenelle, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fontenelle, a community in Lincoln County, Wyoming.
Overnight
49°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 49. Northeast wind around 9 mph.
7-day forecast for Fontenelle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Patchy Smoke | 9 mph NE | 0% |
| Tuesday | 82°F | Patchy Smoke | 5 to 18 mph E | 0% |
| Tuesday Night | 44°F | Areas Of Smoke | 3 to 20 mph WNW | 0% |
| Wednesday | 83°F | Sunny | 2 to 18 mph W | 0% |
| Wednesday Night | 46°F | Mostly Clear | 3 to 18 mph WNW | 0% |
| Thursday | 89°F | Sunny | 2 to 18 mph W | 0% |
| Thursday Night | 51°F | Mostly Clear | 3 to 17 mph NW | 0% |
| Friday | 92°F | Sunny | 1 to 17 mph W | 0% |
| Friday Night | 54°F | Mostly Clear | 8 to 16 mph WNW | 0% |
| Saturday | 93°F | Sunny | 5 to 13 mph WNW | 0% |
| Saturday Night | 55°F | Partly Cloudy | 6 to 13 mph WNW | 0% |
| Sunday | 92°F | Mostly Sunny | 3 to 12 mph W | 5% |
| Sunday Night | 55°F | Partly Cloudy | 5 to 13 mph NW | 3% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Fontenelle (42.003, -110.062). Updated through the day.
Growing snapshot for Fontenelle
Last spring frost
Jun 9
First fall frost
Sep 4
Growing season
84 days
Hardiness zone
4a
More local growing data for Fontenelle: nearby ZIP 83123 weather · frost dates · planting calendar · Wyoming frost dates
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Cokeville
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Freedom
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Kemmerer
La Barge
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Oakley
Opal
Osmond
Smoot
Star Valley Ranch
Taylor
Thayne
Turnerville
Climate data from the nearest NOAA station, La Barge, Wy (4.2 mi from Fontenelle). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.