Sycamore, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sycamore, a community in Delaware County, Oklahoma.
Today
96°F
Sunny
Sunny, with a high near 96. South wind around 5 mph.
7-day forecast for Sycamore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 5 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 97°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Wednesday Night | 73°F | Partly Cloudy | 5 mph S | 13% |
| Thursday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 55% |
| Friday | 92°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph S | 55% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 31% |
| Saturday | 94°F | Slight Chance Showers And Thunderstorms then Sunny | 0 to 5 mph S | 16% |
| Saturday Night | 73°F | Mostly Clear | 5 mph S | 10% |
| Sunday | 95°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 74°F | Mostly Clear | 5 mph S | 1% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 1% |
| Monday Night | 74°F | Mostly Clear | 5 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sycamore (36.399, -94.715). Updated through the day.
Growing snapshot for Sycamore
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
7a
More local growing data for Sycamore: nearby ZIP 74346 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Upper Spavinaw Port, Ok (7.4 mi from Sycamore). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.