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Weather in Jelgava - 14-day forecast

Detailed weather forecast for Jelgava, Latvia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Jelgava
today🌧️ 14°💧 4.6 mm
Sun🌧️ 16°💧 0.6 mm
Mon🌧️ 20°💧 0.6 mm
Tue☁️ 19°💧 0.2 mm
Wed🌧️ 20°💧 1.9 mm
Thu🌧️ 18°💧 1.8 mm
Fri🌧️ 18°💧 2.3 mm
Sat🌧️ 16°💧 2.6 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

Saturday 5 Sept in Jelgava, the forecast high is 14°C. Typical daytime temperatures at this time of year range from 16°C to 21°C, so it will be exceptionally cool. It is cooler than 93% of similar days.

14°Cexceptionally cool
usually 16°C–21°C
cooler than 93% of similar days
night: warmer than usual rain: more rain than usual wind: typical
16°Ccooler than usual
usually 16°C–21°C
cooler than 82% of similar days
night: near normal rain: typical rainfall wind: typical
20°Cwarmer than usual
usually 16°C–21°C
warmer than 71% of similar days
night: warmer than usual rain: typical rainfall wind: lighter than usual
19°Cnear normal
usually 16°C–21°C
night: exceptionally warm rain: typical rainfall wind: typical
20°Cwarmer than usual
usually 16°C–20°C
warmer than 74% of similar days
night: exceptionally warm rain: more rain than usual wind: lighter than usual
18°Cnear normal
usually 15°C–20°C
night: exceptionally warm rain: more rain than usual wind: stronger than usual
18°Cnear normal
usually 15°C–20°C
night: exceptionally warm rain: more rain than usual wind: typical

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°20°30° 1981: 19°C1982: 16°C1983: 17°C1984: 17°C1985: 14°C1986: 14°C1987: 17°C1988: 18°C1989: 19°C1990: 15°C1991: 14°C1992: 17°C1993: 14°C1994: 18°C1995: 19°C1996: 14°C1997: 17°C1998: 18°C1999: 22°C2000: 16°C2001: 16°C2002: 21°C2003: 18°C2004: 17°C2005: 21°C2006: 18°C2007: 17°C2008: 20°C2009: 20°C2010: 17°C2011: 19°C2012: 18°C2013: 20°C2014: 21°C2015: 17°C2016: 22°C2017: 17°C2018: 22°C2019: 22°C2020: 18°C2021: 21°C2022: 16°C2023: 22°C2024: 23°C2025: 24°C 2026 forecast: 18°C current forecast 18°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 18°C by day. The coolest year was 1985 (14°C) and the warmest was 2025 (24°C). The current forecast averages 18°C - close to the historical median.

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.

Weather warnings - Jelgava

No active weather warnings for Jelgava (region: Zemgale). The national weather service is not forecasting dangerous conditions.

14-day forecast - Jelgava

Jelgava - 14-day weather forecast infographic

Jelgava 30 & 45-day weather - long-range outlook

Next 16 days · forecast
17°
around 13° at night · days with rain: 8
Weeks 3-4 · avg for September
17°
around 10° at night · rain chance 34%
Weeks 5-7 · avg for October
10°
around 4° at night · rain chance 40%
The 30 & 45-day outlook for Jelgava: the next 16 days are a numerical forecast updated daily - on average 17° by day and 13° at night. Further out we rely on multi-year climate averages: around 17° in September, and about 10° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Jelgava

Saturday5 September 2026
🌧️14°moderate rain
sunrise 06:35 · sunset 20:12 · night 11° · evening 13° · rain 4.6 mm · humidity 88% · wind 5 m/s · clouds 95%
Sunday6 September 2026
🌧️16°light rain
sunrise 06:37 · sunset 20:09 · night 10° · evening 16° · rain 0.55 mm · humidity 64% · wind 6 m/s · clouds 45%
Monday7 September 2026
🌧️20°light rain
sunrise 06:39 · sunset 20:06 · night 12° · evening 16° · rain 0.55 mm · humidity 51% · wind 4 m/s · clouds 76%
Tuesday8 September 2026
☁️19°broken clouds
sunrise 06:41 · sunset 20:04 · night 16° · evening 20° · rain 0.15 mm · humidity 63% · wind 5 m/s · clouds 70%
Wednesday9 September 2026
🌧️20°light rain
sunrise 06:43 · sunset 20:01 · night 15° · evening 16° · rain 1.92 mm · humidity 65% · wind 4 m/s · clouds 100%
Thursday10 September 2026
🌧️18°light rain
sunrise 06:45 · sunset 19:58 · night 14° · evening 17° · rain 1.77 mm · humidity 60% · wind 7 m/s · clouds 97%
Friday11 September 2026
🌧️18°light rain
sunrise 06:47 · sunset 19:55 · night 12° · evening 17° · rain 2.25 mm · humidity 60% · wind 5 m/s · clouds 96%
Saturday12 September 2026
🌧️16°light rain
sunrise 06:49 · sunset 19:53 · night 12° · evening 14° · rain 2.55 mm · humidity 81% · wind 4 m/s · clouds 100%
Sunday13 September 2026
🌧️16°light rain
sunrise 06:51 · sunset 19:50 · night 12° · evening 14° · rain 4.41 mm · humidity 79% · wind 5 m/s · clouds 100%
Monday14 September 2026
🌧️14°light rain
sunrise 06:53 · sunset 19:47 · night 10° · evening 13° · rain 0.12 mm · humidity 66% · wind 6 m/s · clouds 91%
Tuesday15 September 2026
🌧️16°light rain
sunrise 06:55 · sunset 19:45 · night 14° · evening 15° · rain 0.6 mm · humidity 66% · wind 4 m/s · clouds 73%
Wednesday16 September 2026
☁️18°broken clouds
sunrise 06:57 · sunset 19:42 · night 14° · evening 19° · rain 0.63 mm · humidity 61% · wind 5 m/s · clouds 58%
Thursday17 September 2026
🌧️14°moderate rain
sunrise 06:59 · sunset 19:39 · night 14° · evening 17° · rain 6.84 mm · humidity 98% · wind 2 m/s · clouds 100%
Friday18 September 2026
🌧️20°light rain
sunrise 07:01 · sunset 19:36 · night 14° · evening 19° · rain 1.62 mm · humidity 70% · wind 4 m/s · clouds 26%
Saturday19 September 2026
☁️20°broken clouds
sunrise 07:03 · sunset 19:34 · night 15° · evening 20° · rain 0.12 mm · humidity 67% · wind 3 m/s · clouds 75%
Sunday20 September 2026
☁️20°overcast clouds
sunrise 07:05 · sunset 19:31 · night 15° · evening 20° · humidity 64% · wind 3 m/s · clouds 98%

UV index in Jelgava - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTJelgava03681111+2.7UV LOWtoday, daily maxYou can safely stay outside. Sunscreen only mattersfor very long exposure.3Sat5.094Sun6.094Mon7.094Tue8.094Wed9.094Thu10.093Fri11.094Sat12.094Sun13.091Mon14.093Tue15.091Wed16.092Thu17.093Fri18.094Sat19.093Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Jelgava is 3 (low). You can safely stay outside. Sunscreen only matters for very long exposure.

Pollen in Jelgava - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTJelgavaHighest pollen today: Ragweed2 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses--1-Ragweed225-nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Jelgava - about 2 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Jelgava weather through the year

Jelgava - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in Latvia: Day of the Proclamation of the Republic of Latvia — 18 November · Christmas Eve — 24 December · Christmas Day — 25 December.

Nearby and related places

JurmalaRigaSalaspilsTukumsSiauliaiPanevezysDaugavpilsLiepājaVentspilsRezekne

FAQ - Jelgava weather

What is the weather like in Jelgava today?
Today it is about 14° during the day and 11° at night, moderate rain.
How far ahead can I check the forecast for Jelgava?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.