# San Juan weather forecast

Today in San Juan, Thu 29 Oct: high 31.6 °C, low 25.7 °C, the median of 9 free forecasts (7 for the low). Station: Dominicci (TJIG). As of 2026-10-29T13:39Z.

| Day | High °C | Low °C | Source spread (highs) | Source spread (lows) | Forecasts | Rain chance | Rain mm |
|---|---|---|---|---|---|---|---|
| Thu 29 Oct (rest of day) | 31.6 | 25.7 | 30.5–32.3 | 22.6–27.7 | 9 | 94% | 1.0 |
| Fri 30 Oct | 31.3 | 24.3 | 30.0–31.7 | 22.7–26.6 | 10 | 50% | 0.6 |
| Sat 31 Oct | 31.1 | 25.6 | 29.8–31.7 | 21.9–26.5 | 10 | 70% | 2.5 |
| Sun 1 Nov | 30.2 | 25.2 | 28.8–31.4 | 22.9–27.2 | 10 | 74% | 3.7 |
| Mon 2 Nov | 30.3 | 25.5 | 27.9–32.8 | 22.1–26.5 | 10 | 93% | 2.9 |
| Tue 3 Nov | 31.2 | 25.6 | 29.4–32.6 | 22.3–26.9 | 9 | 93% | 3.1 |
| Wed 4 Nov | 31.1 | 25.0 | 29.2–31.6 | 22.4–26.9 | 9 | 79% | 4.6 |

Rain today: no rain gauge feed here; rest of day 94% (n 3: ENS, GEFS, GEPS members' share, raw), 1.0 mm. October: ≈ 7.6 mm expected rest of month (0.8–10.9).

Alerts: Rip Current Statement (NWS San Juan PR), until 1 pm.

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); modified by groundhog. Full: groundhog.markets/credits
Page: https://groundhog.markets/p/san-juan