Geraldton & Greenstone Weather: From Frosty Beginnings to a 20°C Finish Line

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Weather Sunny Delight

A Cold Start in Geraldton and Greenstone, But Big-Time Spring is Just a Day Away

GERALDTON – GREENSTONE – WEATHER – It’s a brisk morning in the Greenstone region, with the thermometer sitting at -3.4°C as of 6:00 AM at Geraldton Airport. The sky is clear, but don’t let that sunshine fool you—it feels like -7°C thanks to a gentle southwest breeze blowing at 8 km/h. Humidity is sitting at a moist 95%, giving the air that familiar northern bite, and the barometric pressure is holding steady at 101.7 kPa. Visibility is decent at 16 km, and there’s not a cloud to be seen—for now.

Spring Awakens: Sunshine Ahead and a High of 20°C by Monday

After a shivery start that dips to -8°C with the wind chill, today will gradually shake off the frost. Expect mainly sunny skies through the morning, with clouds increasing slightly later in the day. The UV index will hit a moderate 4, so while sunburn risk is low, it’s still wise to grab a bit of sunscreen if you’ll be out for a while. Winds will pick up a bit later in the day from the southwest, hitting 20 km/h and gusting up to 40 before calming down tonight. This evening will turn mainly cloudy with a mild low of +4°C—t-shirt weather compared to this morning’s deep chill.

Sunday shapes up to be a beauty. After a few lingering clouds in the morning, skies will clear, bringing a high of 14°C and a UV index of 6, which is considered high. Time to break out those spring jackets and take full advantage. Sunday night will be clear and seasonally cool with a low of 0°C—just enough bite to keep your campfire crackling.

And then comes Monday, and oh, what a Monday it will be. Sunny skies will dominate the region, and the temperature is expected to reach a delightful high of 20°C. That’s practically beach weather for Northwestern Ontario. Monday night will see increasing cloudiness with a comfortably mild low of 8°C.

What to Wear and Northern Trivia

Dress in warm layers this morning—gloves and a thermal hat wouldn’t be overkill, especially if you’re heading out before sunrise. But be ready to shed a layer or two by afternoon. Sunday and Monday will demand sunglasses, SPF, and maybe even a baseball cap. Yes, it’s that kind of spring.

Historically, May 3rd has offered both extremes in Geraldton: a record high of 23.3°C in 1998, and a chilly low of -8.1°C way back in 1974. So today’s frost is definitely part of a long-standing northern tradition. But with 20°C around the corner, this tradition may be short-lived—at least for now.

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