Friday 23 April 2010, 16:24
Despite plenty of sunshine this week, it hasn't been all that warm and you may have had the heating on as the nights have been particularly cold with some frost.
At Capel Curig in Snowdonia the temperature dropped to -5 Celsius, on the morning of 22 April.
The good news is that I think we've seen the worst of the frost for a while because its going to turn warmer over the next few days.
Saturday looks the best day of the weekend for sunshine with highest temperatures between 16 and 19 Celsius, (61- 66 Fahrenheit). Some coasts will be cooler where the wind is coming in off the sea.
Don't forget the sun is strong enough to burn and if you're suffering from hay-fever this may be due to high levels of pollen from ash and birch trees.
Much of Wales has been dry now since 5 April but the drought will be broken on Saturday night when a drop of rain is expected!
Sunday will bring a mixture of cloud with some sunshine and scattered showers. Top temperatures will be around 16 Celsius but cooler on the south and west coast with a sea breeze.
If you're taking part in the London Marathon on Sunday, some sunshine is likely. Conditions will favour spectators rather than the runners, with some sunshine and warm, humid conditions during the race.
Highs of 19ºC are expected for the afternoon, with the small chance of a shower in the afternoon which could hit the slower runners.
Next week we could be in for a taste of summer when temperatures could hit the magic 21 Celsius or 70 Fahrenheit.
Goodluck if you're entering the marathon.