Weather for Spavinaw Lake, OK - Spavinaw Lake, OK Weather, Current Weather in Spavinaw Lake, OK. Local weather report for Spavinaw Lake, OK, Local Spavinaw Lake, OK weather. Forecast for Spavinaw Lake, Oklahoma, Spavinaw Lake, OK weather forecast. Find your local Spavinaw Lake weather forecast. Spavinaw Lake, OK weather conditions.