Daily brief · South Africa

Johannesburg Oct 21, 2026

Today's edition is in progress.

Weather-risk signals · signal engine (Open-Meteo)

A dry stretch is forming

extreme

11 dry days in a row could start 2026-10-21. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

Reading evidence

Reading calculated Oct 21, 2026, 6:01 PM UTC.

Valid until Oct 26, 2026, 6:02 AM UTC.

Source: Open-Meteo.

agriculture

Heat is building above the usual range

low

Daily highs may average around 29°C over the next week — above the 26.8°C typical for this time of year. Outdoor work, livestock, and crops in flowering can come under stress.

Reading evidence

Reading calculated Oct 21, 2026, 6:01 PM UTC.

Valid until Oct 28, 2026, 6:02 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-21 to 2026-10-27.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heat-stress-avg-v1-2026-09-22.

outdoor farmers · tourism · energy demand

A cold stretch is on the way

low

3 days in a row could stay below 15°C, starting 2026-10-23. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

Reading evidence

Reading calculated Oct 21, 2026, 12:00 PM UTC.

Valid until Oct 24, 2026, 6:02 AM UTC.

Source: Open-Meteo.

crop growers · outdoor hospitality

What people were seeing · community field reports

No field observations were posted for this place on Oct 21, 2026.