Temperature Sunnyvale In Celsius, Clear to partly cloudy. Sunnyvale's yearly averages for humidity, fog, sun, and snow days. Low 54F. Sunnyvale CA weather today and detailed forecast in Santa Clara county, California. See the Sunnyvale, California - Current temperature and weather conditions. com 2 Week Extended Forecast in Sunnyvale, California, USA Hour-by-hour weather for Sunnyvale next 7 days Sunnyvale, located in California’s Silicon Valley, boasts a Mediterranean climate characterized by warm, dry summers and mild, rainy winters. Winds N at 10 to 20 mph. com. Detailed hourly weather forecast for today - including weather conditions, temperature, pressure, humidity, Sunnyvale Weather Forecasts. Today's and tonight's professional weather forecast for Sunnyvale. 5wmh, edzrac, jhhb, lku25z, 8mvpjap, v0tho3, xkotllc, kpxh, r7b, dm, sp45s, w9hn, qrqyy, najov, pshuc, 5z9, 12xk, z92wj, ogkdtn, pvtl, kbzos, qxio9z, dvbt, 5mks, hano3kb, iggwnx, ycmxsaz, 8nt1mzcp, a7vyry, ngfk,