Temperature Graph & Data, in Laurel, MD, USA.

Approximate location:
Latitude: 39°06'04".9 North
Longitude: 76°50'53".0 West

Current Temperatures at Tue Feb 11 20:30:02 EST 2003 :
in-N-1 17.0 62.6
outside-N-1 -4.6 23.7
Graph of temperature (F) for last 24 hours

Prefer a Celsius graph? an icon that
  vaguely resembles a colorful graph

You may need to force your browser to check for a new graph. With Netscape, that seems to be accomplished by holding down shift while clicking "Reload."

There are also graphs of temperature data over longer periods:

Data

All temperatures are Celsius.

Miscellany

How all this works.

A journal of siginificant events.