the weather is fine vs the weather is sunny

Some examples from the web:

• We can take lunches in the garden, providing the weather is fine.
• The weather is fine in London.
• Osorio: The weather is fine.
• Osorio: The weather is fine. We have fair weather today.
• The village of Colonnata lies at the head of a straight, narrow gorge aligned towards the sea, and on days when the weather is fine breezes blow through the village.
• The weather is so fine today!
• The weather back home is fine.
• Because today's weather is fine, we'll eat outside.
• When I have time and the weather's fine.
• When the weather was fine... she often sat at the window...
• The weather's fine. It's just not my type.
• You said the weather would be fine.
• When they left at 10:00, the weather was fine, but clouds have gathered over the mainland.
• Tremendous group of people, the weather's fine, and the starter looks like he's ready to start the race.
• The weather will be fine to Chamonix.
• Up to Turin, the weather will be fine.
• the weather's fine. "Muto-gumi Yakuza" ...the weather's fine.
• Madam President, I trust that sound was not a sign that a storm is on its way, and I hope the weather will remain fine.
• The year ended with fine weather.
• No, weather's fine, actually.

Some examples from the web:

• The weather is sunny, the sea is calm.
• The weather is sunny with a 40% chance of a home run.
• The sea was calm, the weather, sunny.
• Young girls can get a chill even in sunny weather.
• In sunny weather the scorpion prefers rocky slopes or cracks in brick walls.
• More than 330 million people in 17 EU countries now use the euro and every summer millions of them roll southwards in search of beautiful beaches and sunny weather.
• Nowthe weather.:sunny tomorrow.
• Rise and shine, two and four legged animals... the forecast is finally announcing sunny weather.
• The school holidays lasted until January 2nd, but already on the day after Christmas, in the cold but sunny weather,
• I presume it's all peace, prosperity, and sunny weather now that Mathias has taken my place.
• As always, the weather is a balmy 72 degrees and sunny and...
• Sometimes it is sunny and you love the weather and other times it's cold and wet and you can't stand the weather.
• The weather is so good in california.
• The weather is nice, so it served its purpose after all.
• If the weather is nice, you leave tomorrow.
• - The weather is getting worse.
• The weather is nice after so much rain.
• The weather is expected to continue like this for another week.
• -If the weather isn't worse.
• The weather is bad, so everyone enjoys an extra night in Rennes.