We're in for a spell of unsettled weather.

Meaning

We are likely to experience a period of unpredictable and changeable weather.

Examples

• John: 'The forecast looks pretty grim for the next few days.'
• Alice: '<b>We're in for a spell of unsettled weather</b>. I hope it doesn't ruin our weekend plans.'
• John: 'Yes, definitely. <b>We're in for a spell of unsettled weather,</b> according to the forecast.'
• Alice: 'Should we pack umbrellas for our trip?'