This compact unit only measures windspeed and temperature, but offers a digital compass and altimeter/barometer. 

Ranked #1 by Practical Sailor & Powerboats Report New Skymaster Weathermeter gives you advanced weather information in a convenient pocket-knife design, that will fit in the palm of your hand! With countless features, this unit is a ... 

WindMate 300 provides precision & accuracy using the wind vane and digital compass to give wind direction, cross and head/tail wind readings digitally and in compass points. This prize-winning, comprehensive weather monitor, which gives full environmental data specific to your location and includes a 48-hr history for every function, hour-by-hour and in a bar graph. ... 

The SKYWATCH® GEOS N°11 is a high performance professional instrument benefiting from our 25 years of experience in developing measuring devices. It uses only industry quality components and pressure, windspeed, humidity and temperature sensors that are made in Switzerland. Datalogger included.