Today
Sun, Jun 21
Mainly clear
24°13°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 18 km/h
Grimstad weather forecast
Agder, Norway · Oslo time · 58.34°, 8.59°
Current conditions · 4:45 PM local
Current conditions in Grimstad
24°C
Clear sky
Feels like 17°C
- Humidity
- 75%
- Wind
- 17 km/h W
- Gusts
- 33 km/h
- UV index
- 0
- Visibility
- 48.6 km
Right now
Right now in Grimstad, it's clear sky with the temperature at 24 °C. It feels close to the actual reading at 22 °C. Wind is from the W at 17 km/h, gusting to 33 km/h. Humidity stands at 42% with sea-level pressure near 1025 hPa.
At a glance
Today
24° / 13°Mainly clear
Tomorrow
20° / 12°Overcast
Upcoming · to Saturday
26° / 14°A steady stretch: highs near 26°, lows around 14°, and no day above a 14% rain chance through Saturday.
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Next 3 days
Today looks like mainly clear; temperatures run from 13 °C up to 24 °C. Expect overcast tomorrow, between 12 °C and 20 °C. Tuesday brings overcast with a high of 21 °C and a low of 15 °C.
Tomorrow
Mon, Jun 22
Overcast
20°12°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 17 km/h
Tuesday
Tue, Jun 23
Overcast
21°15°
- Rain chance
- 4%
- Precip
- 0 mm
- Max wind
- 19 km/h
Next 48 hours
- 12 AM18°0%10 km/h
- 1 AM16°0%9 km/h
- 2 AM15°0%10 km/h
- 3 AM15°0%9 km/h
- 4 AM14°0%8 km/h
- 5 AM13°0%8 km/h
- 6 AM13°0%9 km/h
- 7 AM14°0%9 km/h
- 8 AM15°0%11 km/h
- 9 AM17°0%11 km/h
- 10 AM18°0%11 km/h
- 11 AM20°0%12 km/h
- 12 PM21°0%12 km/h
- 1 PM22°0%10 km/h
- 2 PM24°0%13 km/h
- 3 PM24°0%14 km/h
- 4 PM24°0%15 km/h
- 5 PM24°0%18 km/h
- 6 PM23°0%18 km/h
- 7 PM23°0%18 km/h
- 8 PM22°0%17 km/h
- 9 PM21°0%12 km/h
- 10 PM19°0%11 km/h
- 11 PM18°0%12 km/h
- 12 AM16°0%9 km/h
- 1 AM16°0%10 km/h
- 2 AM15°0%10 km/h
- 3 AM14°0%9 km/h
- 4 AM13°0%8 km/h
- 5 AM12°0%3 km/h
- 6 AM13°0%3 km/h
- 7 AM14°0%4 km/h
- 8 AM15°0%5 km/h
- 9 AM17°0%4 km/h
- 10 AM18°0%8 km/h
- 11 AM18°0%10 km/h
- 12 PM18°0%12 km/h
- 1 PM18°0%13 km/h
- 2 PM19°0%16 km/h
- 3 PM19°0%15 km/h
- 4 PM20°0%15 km/h
- 5 PM20°0%16 km/h
- 6 PM20°0%17 km/h
- 7 PM20°0%15 km/h
- 8 PM20°0%13 km/h
- 9 PM19°0%10 km/h
- 10 PM19°0%6 km/h
- 11 PM18°0%9 km/h
In depth
Grimstad starts the period under clear sky, with the mercury at 24 °C and a feels-like of 22 °C. Today's forecast calls for mainly clear, topping out near 24 °C before falling back to 13 °C overnight. Winds blow mainly from the W around 18 km/h, with gusts up to 35 km/h. Daytime highs hold fairly steady this week, staying within 20 to 26 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 20 °C and a 0% chance of precipitation. The UV index reaches 6 today, so sun protection is sensible during the middle of the day. Sunrise comes at 04:18 and sunset at 22:35, giving 18.3 hours of daylight. Current humidity sits at 42% with pressure near 1025 hPa. Looking further out, Thursday shows partly cloudy with a high around 26 °C, while Saturday ends the week at 22 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Air quality
26
Good
US AQI · European AQI 26
Air quality in Grimstad is currently good, with a US AQI of 26 (European AQI 26). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 1.7 µg/m³. Pollen in the air today: grass (high) — allergy sufferers take note.
Pollutants
- PM2.5
- 1.7 µg/m³
- PM10
- 3.1 µg/m³
- Ozone (O₃)
- 64 µg/m³
- NO₂
- 0.4 µg/m³
- SO₂
- 0.1 µg/m³
- CO
- 99 µg/m³
- Dust
- 0 µg/m³
Pollen
- Grass
- 75.5 gr/m³
- Birch
- 0 gr/m³
- Alder
- 0 gr/m³
- Olive
- 0 gr/m³
- Mugwort
- 0 gr/m³
- Ragweed
- 0 gr/m³
Sun & UV
- Sunrise
- 4:18 AM
- Sunset
- 10:35 PM
- Daylight
- 18h 17m
- Max UV
- 6.25 High
Wind
- Wind
- 17 km/h
- Gusts
- 33 km/h
- Direction
- W (273°)
Farming weather
Soil temperatures today read surface 14.2 °C, 6 cm 16.7 °C, 18 cm 16.4 °C, 54 cm 13.1 °C. Soil moisture sits at 0-1 cm at 0.35 m³/m³, 3-9 cm at 0.35 m³/m³, 27-81 cm at 0.37 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 34 mm against only 1 mm of expected rain — a 34 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 05:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 102, maize 63.
- Topsoil moisture
- 0.357 m³/m³
- Soil temp
- 15°C
- ET₀ today
- 5.76 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 0.6 mm
- Wind
- 17 km/h
- Humidity
- 75%
Advisory summary
No weather alert thresholds are crossed for Grimstad in the current forecast (derived from forecast data, not official warnings). Conditions may still change — check back for updates.
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All data for Grimstad
| Variable | Value |
|---|---|
| City | Grimstad, Agder, Norway |
| Coordinates | 58.3405, 8.59343 |
| Elevation | 9 m |
| Timezone | Europe/Oslo |
| Population | 24,017 |
| Observed at (local) | 4:45 PM |
| Temperature (2 m) | 24°C |
| Apparent temperature | 17°C |
| Relative humidity (2 m) | 75% |
| Dew point (2 m) | 13°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 8% |
| Surface pressure | 1023 hPa |
| Sea-level pressure | 1025 hPa |
| Wind speed (10 m) | 17 km/h |
| Wind gusts (10 m) | 33 km/h |
| Wind direction (10 m) | 273° (W) |
| Visibility | 48.6 km |
| UV index | 0 |
| Day / night | Day |
| Today max / min | 24°C / 13°C |
| Today feels-like max / min | 23°C / 11°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 0% |
| Today max wind / gusts | 18 km/h / 35 km/h |
| Dominant wind direction | 280° (W) |
| Sunrise / sunset | 4:18 AM / 10:35 PM |
| Daylight duration | 18h 17m |
| Sunshine duration | 17h 00m |
| Max UV index | 6.25 |
| Reference evapotranspiration (ET₀) | 5.76 mm |
| Topsoil moisture (0–1 cm) | 0.357 m³/m³ |
| Surface soil temperature | 15°C |
| US AQI | 26 |
| European AQI | 26 |
| PM2.5 | 1.7 µg/m³ |
| PM10 | 3.1 µg/m³ |
| Ozone (O₃) | 64 µg/m³ |
| Nitrogen dioxide (NO₂) | 0.4 µg/m³ |
| Sulphur dioxide (SO₂) | 0.1 µg/m³ |
| Carbon monoxide (CO) | 99 µg/m³ |
| Dust | 0 µg/m³ |
| Alder pollen | 0 gr/m³ |
| Birch pollen | 0 gr/m³ |
| Grass pollen | 75.5 gr/m³ |
| Mugwort pollen | 0 gr/m³ |
| Olive pollen | 0 gr/m³ |
| Ragweed pollen | 0 gr/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/no/agder/grimstad" width="320" height="180" frameborder="0" title="Grimstad weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Grimstad tomorrow?
Rain is unlikely in Grimstad tomorrow; the precipitation chance stays around 0%.
What is the temperature in Grimstad today?
Today Grimstad sees mainly clear with a high of 24 °C and a low of 13 °C.
How hot will it be in Grimstad tomorrow?
Tomorrow's high in Grimstad is forecast at 20 °C with overcast.
Is it windy in Grimstad today?
No, not especially; gusts only reach up to 35 km/h today.
What is the UV index in Grimstad today?
The UV index peaks at 6 today, which is high.
What time is sunrise and sunset in Grimstad today?
The sun rises at 04:18 and sets at 22:35 local time.
Is the air quality in Grimstad good today?
Air quality is good right now, with a US AQI reading of 26.