Sadly, there are no longer any reliable live weather sources on the lake. The best option is to look at the webcams, and assess the trend on the lake level, and its major inflows.
Low Wood Hotel Webcam
Ferry Nab Webcam (FBA)
Waterhead Bowness Lakeside
River Brathay at Jeffy Knotts (in)
River Rothay at Miller Bridge (in)
Trout Beck at Calgarth (in)
Lake Windermere at Far Sawrey
River Leven at Newby Bridge (out)
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