What do we see? The linear trend is going down with a rate of 0.05°C per decade. What's more, the last 8 months are situated below the trendline, so the negative trend is likely not going away in the next couple of months. The RSS data is based on satellite measurements and are fairly accurate.
Those who are talking about a 'climate catastrophe' and call for 'imminent action' should have a careful look at this graph.