Malaysian Grand Prix weather forecast

Early forecasts indicate the Malaysian Grand Prix this weekend is likely to be affected by rain.

Over on the F1 Fanatic Forum ccolanto has been checking out the weather forecasts for Kuala Lumpur and thunderstorms are predicted throughout the weekend.

The chance of precipitation is rated around 60% for Friday and Saturday, rising to around 80% for race day on Sunday.

The 2001 Malaysian Grand Prix was famously disrupted by a thunderstorm but other than that every F1 race at the circuit has been run in dry conditions.

Ccolanto’s posted some links for following the weather forecast on the forum, you can also keep an eye on this weather radar as we get closer to the weekend.

Are you near Kuala Lumpur? What do you expect from the weather this weekend? Leave a comment below.

Malaysian Grand Prix 2009

44 comments on “Malaysian Grand Prix weather forecast”

  1. i’m working within 30 km of the Sepang circuit and the weather now (5 pm) is very cloudy and can turn to rainy in a matter of minutes as they always do. I’m also looking forward for a wet race. Will update you guys with latest forecast daily

  2. Obviously last year all the tyres had some grooves and drivers sometimes stayed on dry tyres in light rain.
    Are slicks going to change this altogether, I don’t remember much about the last wet race I saw in F1 with slicks (It was a long time ago!)

    1. Worth remembering in Monaco 97′ Williams and McLaren sent both of their cars out on slicks when it had just begun to rain 5 mins before the formation lap , gambling that the rain would stop falling quickly.

      That never happened , all the cars on slicks had no grip on the first lap – Hakkinen and Coulthard crashed into each other , Frentzen was quickly falling back and JV got lapped on lap 16 by Schumacher despite changing onto wets.

    2. I think it was the same race aswell, where Schumacher was on wets then when a dry line appeared, he didn’t go in for slicks for ages.

      He kept going off the dry line to keeps his wet tyres for as long as he could and he ended up winning the race by a mile.

      Best wet drive I’ve ever seen, apart from Hamilton’s last year.

  3. Malaysian weather is the most unpredictable on the calendar, I guess same can be said about Singapore. We have blistering hot sunshine one minute, and in a matter of another couple minutes…we get violent thunderstorms, our local met service is as good as useless.

    It has been raining a lot this past week, I expect it to carry on. Plus, since the race is starting at 5 local time, if the heavens open up, expect the area to be pretty dark as well. I’m expecting a wet race and the mayhem we saw in Melbourne could repeat itself.

  4. Cooooooooooool!!!

    I just hope it doesn’t rain so much that they have to cancel the race or anything like that.

    And can any Malaysian readers predict how dark it will be getting by the end of the race at about 6.30pm? I thought it made a nice change seeing the cars driving during the sunset at Melbourne.

  5. The best races last year were when we had some rain so hopefully we will have enough to make it interesting but not too much that they have to cancel the race.

    Can anyone tell me if in general holding the race at a later time of day increase or decreases the chance of rain during the race.

    1. The rain comes down hard between 4 and 5, thats normally the peak, and then your deal with the fall out between 5 and 7…thats usually the pattern. So, the it well may have already rained before the race starts, and still might be when we start.

      Or, it could be a blistering hot day!!!

  6. i live in pj about 60km from sepang..currently the weather here has been hot (damn hot) in the mornings and afternoon then by 4pm heavy thundercloud starts to form and by 5 or 6pm the sky has fallen down..when it rains it pours, know what i mean?..6.30pm here on a normal day is still bright though the sun is quite low as dusk is about if it rains at around 5-6pm, then it could be a preview of a night race in sepang as it is dark when it rains heavily here..

    that said, i am 60km away from sepang and sepang’s weather could be different with wide open spaces and rolling hills afforded by the 10,000 hectares of the KL international airport of which the sepang circuit is just next door..

    i feel like peeing just thinking about it..hahaha

  7. Heavy rain will really sort the those the can and the those that can’t, Fezzas didn’t like the rain befor slicks and KERS, I think Massa may need stabalizers :) .

    With those clouds though light maybe more of an issue than the rain.

    Really looking forward to this weekend. Interesting point though, will the rain level the cars performance, and will Lewis get another break and score some more?

  8. last time there was rain at Sepang it was a ferrari 1-2. but then they hat two rain masters in schumi and barichello. maybe rubens has an advantage this week, given brawn has a fast car.

  9. Thanks for the heads up ccolanto.

    Let’s see how the Brawn cars handle in the wet.

    It looks like KERS will be limited to the long straights only. No using it on the exits like Ferrari did in Oz.

  10. I am about 60K from Sepang. No rain today, possibly the first day in the past 2 weeks without heavy rain at race time, but it threatened to! One of my UK friends already dropped out!

  11. What excites me is the concept of drivers managing damp conditions with slick tyres! It is a skill and will put emphasis on car control more now the drys are proper slicks!

    I am doing my rain dance now….!

    1. To be honest i think the wet conditions will not enhance Hamiltons performance but degrade it. Im confident that the rain will not be helpful to his rubbish Mclaren

    2. @Toby – I was thinking about that.The McLaren seems to have reasonable mechanical grip and balance but nowhere near enough downforce.

      I’d have thought downforce might not be quite as critical in the wet because cornering speeds would be lower due to much less mechanical grip.So cars would generate less downforce in wet conditions and thus the difference between a less efficient car like the McLaren and a more efficient car at generating downforce might be less.

      But this isn’t Monaco where teams run big wings because they are going too slowly most of the time to generate significant downforce , there are quite a few long turns needing good aero here , more so than Albert Park.I think Hamilton will do well if it rains but if it stays dry he’ll have a hard time in the McLaren having to drive about 10km/h slower in the long turns.

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