Murphy, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Murphy, a community in Jefferson County, Missouri.
This Afternoon
97°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 97. Heat index values as high as 106. East wind around 2 mph. Chance of precipitation is 30%.
7-day forecast for Murphy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Chance Showers And Thunderstorms | 2 mph E | 26% |
| Tonight | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph SE | 23% |
| Saturday | 98°F | Mostly Sunny | 6 mph SW | 5% |
| Saturday Night | 74°F | Partly Cloudy | 5 mph SW | 1% |
| Sunday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 17% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph N | 61% |
| Monday | 80°F | Showers And Thunderstorms Likely | 7 mph N | 70% |
| Monday Night | 60°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 mph N | 70% |
| Tuesday | 72°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph N | 20% |
| Tuesday Night | 55°F | Mostly Cloudy | 3 to 7 mph N | 6% |
| Wednesday | 74°F | Mostly Sunny | 6 mph N | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 5 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 2 to 6 mph N | 3% |
| Thursday Night | 58°F | Partly Cloudy | 3 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Murphy (38.492, -90.486). Updated through the day.
Growing snapshot for Murphy
Last spring frost
Apr 4
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
7a
More local growing data for Murphy: nearby ZIP 63026 weather · frost dates · planting calendar · Missouri frost dates
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Summer Set
Climate data from the nearest NOAA station, St Charles 7 Ssw, Mo (13.1 mi from Murphy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.