# Helsinki weather forecast

Today in Helsinki, Thu 29 Oct: high 9.9 °C, low 6.9 °C, the median of 6 free forecasts. Station: Vantaa (EFHK). As of 2026-10-29T07:47Z.

| Day | High °C | Low °C | Source spread (highs) | Source spread (lows) | Forecasts | Rain chance | Rain mm |
|---|---|---|---|---|---|---|---|
| Thu 29 Oct (rest of day) | 9.9 | 6.9 | 9.4–10.4 | 6.1–9.0 | 6 | >98% | 3.2 |
| Fri 30 Oct | 9.0 | 6.4 | 8.2–9.6 | 5.2–6.8 | 7 | 85% | 1.0 |
| Sat 31 Oct | 8.2 | 4.5 | 7.0–8.5 | 3.1–5.1 | 7 | <2% | 0.1 |
| Sun 1 Nov | 8.0 | 3.6 | 7.0–8.4 | 3.0–4.0 | 7 | 34% | 0.4 |
| Mon 2 Nov | 7.6 | 2.8 | 6.3–8.3 | 2.0–6.0 | 7 | 68% | 1.3 |
| Tue 3 Nov | 5.8 | 1.7 | 4.8–7.6 | 0.6–2.7 | 6 | 38% | 0.1 |
| Wed 4 Nov | 4.8 | 0.6 | 3.8–6.9 | −0.3–2.9 | 6 | 17% | 0.0 |

Rain today: no rain gauge feed here; rest of day >98% (n 2: ENS, GEFS members' share, raw), 3.2 mm. October: ≈ 4.2 mm expected rest of month (1.6–7.3).

Alerts: not checked (MeteoAlarm: polygon warnings only).

Weather markets here: Polymarket high and low. Station, rule and the number so far for each: https://groundhog.markets/p/helsinki#markets (API: https://groundhog.markets/api/v1/markets?place=helsinki).

Credits: NOAA/NWS (public domain); MET Norway, DWD, GeoNames (CC BY 4.0); ECCC (Open Licence); based on ECMWF data (CC BY 4.0; ECMWF accepts no liability); METAR from FMI via NOAA AWC; modified by groundhog. Full: groundhog.markets/credits
Page: https://groundhog.markets/p/helsinki