High (80%) chance of showers. TUE. Winds easterly 15 to 25 km/h becoming light during the day. Get the forecast for today, tonight & tomorrow's weather for Tumbarumba, New South Wales, Australia. Forecast for Tumbarumba (35.7775°S, 148.0129°E, 646m AMSL) MON. Winds east to southeasterly 20 to 30 km/h. Winds north to northeasterly 20 to 30 km/h increasing to 35 km/h before shifting west to southwesterly 15 to 25 km/h in the evening. Cloudy. Snow falling above 1700 metres. Medium (60%) chance of showers, most likely in the afternoon and evening. Medium (40%) chance of showers. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 17 and 22. Medium (60%) chance of showers, most likely in the afternoon. High (80%) chance of showers, most likely in the morning and afternoon. 66.7km/h (79.6km/h Gusts). 1-Day 3-Day 5-Day Tumbarumba Weather. Daytime maximum temperatures between 17 and 22. 35.78°S 148.01°E 646m AMSL. Partly cloudy. Overnight temperatures falling to between 5 and 9 with daytime temperatures reaching between 12 and 18. Winds southeasterly 25 to 40 km/h decreasing to 20 to 30 km/h in the evening. Oct 19. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 10 and 16. Light winds becoming northwest to southwesterly 15 to 20 km/h during the afternoon then becoming light during the evening. Snow possible above 1700 metres. Winds southwesterly 15 to 20 km/h shifting easterly 30 to 45 km/h during the morning. set as local. this month. synoptic. The east coast of NSW is expected to be lashed by consistent rain for the next seven days as a low-pressure system forms off the state's coastline. Oct 20. Overnight temperatures falling to around 15 with daytime temperatures reaching between 16 and 22. averages. past 24 hours. Cloudy. The chance of fog early this morning, mainly in the north. Light winds. Overnight temperatures falling to around 7 with daytime temperatures reaching between 17 and 22. Tumbarumba Weatherset as local. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 14 and 20. Fire Danger - Southern Slopes: Low-Moderate. The chance of a thunderstorm in the north in the afternoon and early evening. The chance of a thunderstorm. Observations. Snow falling above 1500 metres. Partly cloudy. Slight chance of a shower about the ranges.