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Weather Forecast for Ottawa (Illinois)
Forecast Overview
Tuesday, March 11 | Ottawa sunrise: 07:15 sunset: 18:56 |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
16:00 19:00 | ![]() | Overcast. | 6°C | 20 km/h | 52% | 0.321% |
19:00 22:00 | ![]() | Overcast. | 4°C | 19 km/h | 59% | 0.321% |
22:00 01:00 | ![]() | Clear. | 3°C | 15 km/h | 69% | 0.323% |

Wednesday, March 12 | Ottawa sunrise: 07:14 sunset: 18:57 |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 4°C | 10 km/h | 78% | 0.324% |
04:00 07:00 | ![]() | Clear. | 3°C | 9 km/h | 87% | 0.323% |
07:00 10:00 | ![]() | Sunny. | 8°C | 8 km/h | 77% | 0.324% |
10:00 13:00 | ![]() | Overcast. | 14°C | 6 km/h | 61% | 0.322% |
13:00 16:00 | ![]() | Partly cloudy. | 16°C | 2 km/h | 55% | 0.319% |
16:00 19:00 | ![]() | Overcast. | 13°C | 8 km/h | 68% | 0.323% |
19:00 22:00 | ![]() | Overcast. | 10°C | 13 km/h | 71% | 0.323% |
22:00 01:00 | ![]() | Clear. | 8°C | 11 km/h | 74% | 0.325% |

Thursday, March 13 | Ottawa sunrise: 07:12 sunset: 18:58 |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 6°C | 11 km/h | 79% | 0.323% |
04:00 07:00 | ![]() | Clear. | 5°C | 12 km/h | 80% | 0.324% |
07:00 10:00 | ![]() | Sunny. | 10°C | 14 km/h | 67% | 0.323% |
10:00 13:00 | ![]() | Sunny. | 16°C | 11 km/h | 58% | 0.32% |
13:00 16:00 | ![]() | Sunny. | 18°C | 12 km/h | 56% | 0.319% |
16:00 19:00 | ![]() | Clear. | 15°C | 10 km/h | 72% | 0.32% |
19:00 22:00 | ![]() | Considerable cloudiness. | 12°C | 15 km/h | 80% | 0.32% |
22:00 01:00 | ![]() | Overcast. | 12°C | 12 km/h | 90% | 0.321% |

Friday, March 14 | Ottawa sunrise: 07:10 sunset: 18:59 |
![]() | Low around 12°C, high around 23°C. Chance of rain in the evening (between 7 pm and 10 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 6 mm. More clouds than sun. |

Saturday, March 15 | Ottawa sunrise: 07:09 sunset: 19:00 |
![]() | Low around 3°C, high around 14°C. Chance of light rain in the morning (between 10 am and 1 pm). Estimated precipitation: 0.125 mm. Overcast skies. |

Sunday, March 16 | Ottawa sunrise: 07:07 sunset: 19:01 |
![]() | Low around -1°C, high around 5°C. More sun than clouds. |

Monday, March 17 | Ottawa sunrise: 07:05 sunset: 19:02 |
![]() | Low around -1°C, high around 16°C. Mostly cloudy skies. |

Tuesday, March 18 | Ottawa sunrise: 07:04 sunset: 19:04 |
![]() | Low around 10°C, high around 19°C. Mostly cloudy skies. |

Ottawa (latitude 41°21'N, longitude 088°50'W)
Ottawa - other nearby places: Naplate (4.6 km away), Marseilles (10 km away), Grand Ridge (13 km away), Seneca (19 km away), Oglesby (20 km away), LaSalle (21 km away), La Salle (21 km away), Leonore (22 km away), Kangley (22 km away), Sheridan (24 km away), Streator (24 km away), Tonica (25 km away), Troy Grove (25 km away), Peru (25 km away), Ransom (26 km away), Cedar Point (27 km away), Earlville (27 km away), Kinsman (29 km away), Newark (29 km away).
View weather forecasts for other places in Illinois
Forecasts for Other Places:
Otter Creek11°C ... 25°C
Sunny skies.
Ottawa10°C ... 22°C
More sun than clouds.
Otterville10°C ... 23°C
Considerable cloudiness.
Otterville10°C ... 22°C
Considerable cloudiness.
Otterbein6°C ... 18°C
Partly cloudy skies.
Ottawa2°C ... 15°C
Considerable cloudiness.
Ottawa Hills0°C ... 7°C
Considerable cloudiness.
Ottosen3°C ... 17°C
Mostly sunny.
Otter Lake-2°C ... 5°C
Chance of light snow in the morning (between 8 am and 11 am).
Ottertail-1°C ... 8°C
Overcast skies.