Published on Organic Gardening (http://www.organicgardening.com)
Sow melon seed 5 to 6 weeks before the last spring frost. Seeds sprout in 4 to 8 days at 75° to 95°F. Grow seedlings at 70° to 80°F.
Links:
[1] http://www.organicgardening.com/seed-starting-melon
[2] http://www.organicgardening.com/learn-and-grow/melons-quick-growing-guide