Detailed weather forecast for Riobamba, Ecuador: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Riobamba
today🌧️15°💧 1.6 mm
Sun🌧️18°💧 0.3 mm
Mon🌧️18°💧 0.5 mm
Tue🌧️14°💧 2.5 mm
Wed🌧️17°💧 1.5 mm
Thu🌧️20°💧 0.5 mm
Fri🌧️20°💧 2.8 mm
Sat🌧️19°💧 0.5 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Thursday 10 Sept in Riobamba, the forecast high is 20°C. Typical daytime temperatures at this time of year range from 16°C to 18°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 17°C by day. The coolest year was 1983 (15°C) and the warmest was 2005 (19°C). The current forecast averages 18°C - higher than in 96% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Riobamba
Day-by-day forecast for Riobamba
Saturday5 September 2026
🌧️15°light rain
sunrise 06:11 · sunset 18:16 · night 11° · evening 13° · rain 1.62 mm · humidity 71% · wind 5 m/s · clouds 65%
Sunday6 September 2026
🌧️18°light rain
sunrise 06:10 · sunset 18:15 · night 9° · evening 13° · rain 0.34 mm · humidity 50% · wind 6 m/s · clouds 70%
Monday7 September 2026
🌧️18°light rain
sunrise 06:10 · sunset 18:15 · night 9° · evening 11° · rain 0.49 mm · humidity 51% · wind 5 m/s · clouds 97%
Tuesday8 September 2026
🌧️14°light rain
sunrise 06:10 · sunset 18:15 · night 11° · evening 12° · rain 2.45 mm · humidity 83% · wind 3 m/s · clouds 97%
Wednesday9 September 2026
🌧️17°light rain
sunrise 06:09 · sunset 18:15 · night 10° · evening 12° · rain 1.48 mm · humidity 62% · wind 4 m/s · clouds 92%
Thursday10 September 2026
🌧️20°light rain
sunrise 06:09 · sunset 18:14 · night 11° · evening 13° · rain 0.46 mm · humidity 47% · wind 5 m/s · clouds 42%
Friday11 September 2026
🌧️20°light rain
sunrise 06:08 · sunset 18:14 · night 12° · evening 14° · rain 2.82 mm · humidity 50% · wind 5 m/s · clouds 28%
Saturday12 September 2026
🌧️19°light rain
sunrise 06:08 · sunset 18:14 · night 11° · evening 12° · rain 0.52 mm · humidity 59% · wind 5 m/s · clouds 67%
Sunday13 September 2026
🌧️14°light rain
sunrise 06:08 · sunset 18:13 · night 13° · evening 13° · rain 2.82 mm · humidity 83% · wind 3 m/s · clouds 99%
Monday14 September 2026
🌧️13°light rain
sunrise 06:07 · sunset 18:13 · night 10° · evening 11° · rain 8.11 mm · humidity 88% · wind 3 m/s · clouds 100%
Tuesday15 September 2026
🌧️20°light rain
sunrise 06:07 · sunset 18:13 · night 10° · evening 12° · rain 0.23 mm · humidity 49% · wind 6 m/s · clouds 33%
Wednesday16 September 2026
🌧️20°light rain
sunrise 06:07 · sunset 18:12 · night 10° · evening 12° · rain 0.24 mm · humidity 52% · wind 6 m/s · clouds 49%
Thursday17 September 2026
🌧️19°light rain
sunrise 06:06 · sunset 18:12 · night 12° · evening 12° · rain 0.82 mm · humidity 58% · wind 5 m/s · clouds 60%
Friday18 September 2026
🌧️15°light rain
sunrise 06:06 · sunset 18:12 · night 12° · evening 13° · rain 1.22 mm · humidity 80% · wind 3 m/s · clouds 97%
Saturday19 September 2026
🌧️18°light rain
sunrise 06:05 · sunset 18:11 · night 13° · evening 13° · rain 1.67 mm · humidity 68% · wind 4 m/s · clouds 86%
UV index in Riobamba - is it safe to sunbathe?
Today the UV index in Riobamba is 6 (high) - unprotected fair skin can burn in about 30 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.
Air quality and smog in Riobamba
Air quality in Riobamba is currently very good. Fine particulate PM2.5: 5.7 µg/m³, PM10: 5.8 µg/m³.
City
PM2.5 (µg/m³)
PM10 (µg/m³)
Air quality
Riobamba
5.7
5.8
very good
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 20:00).
Upcoming public holidays in Ecuador: Independence of Guayaquil — 9 October · All Souls' Day — 2 November · Independence of Cuenca — 3 November.