Temperature: Heat Index and Wind chill
Hourly fluxuation tables (examples for NJ and Sacramento).

National and World Weather cycles - trends - long range forecasts
National Weather Service
  (weather.gov is the same as nws.noaa.gov)
  (click on map for specific location)
  - graphical
The Weather Channel
Weather Underground
National Weather Service
Forecasts do not necessarily agree. For Norden/Soda Springs, CA they differed by up to 10°.
Archived Hourly Data | Friendly Forecast
Climate Information

last updated 14 June 2004