Weather Today in Harpenden

Today's weather is observed from 00:00 to 24:00 GMT   (view table of current observations)

    Temperature, °C: last hour - red column (red value); previous hour - green pointer; maximum for day - orange pointer;
                                   minimum for day - blue pointer.

    Rainfall, mm: hourly and total - blue column (blue value).

    Wind Variables, m/s: last hour - purple arrow (within title text); previous hour - blue arrow