Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 6

Waning Gibbous 91%

18:11

09:59

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:37, Set: 16:27, Transit: 12:02. Moon - Rise: 18:11, Set: 09:59. Civil Dark: 17:01 - 07:03. Nautical Dark: 17:38 - 06:26. Astro Dark: 18:14 - 05:50

Total Clouds (% Sky Obscured)

99
92
98
100
99
97
94
79
92
95
93
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
78
89
85
70
58
72
36
77
82
87
89
100
97
89
87
85
97
82
86
99
100
100
87

Medium Clouds (% Sky Obscured)

56
65
44
60
94
92
83
75
78
75
68
80
87
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
15
98
97
81
56
16
13
33
48
70
83
100
100
100
100
100
100
100
100
100
96
100
100

ISS Passover

Visibility (miles)

5
9
8
9
9
9
9
9
9
9
5
6
6
5
7
9
8
9
9
9
9
5
7
7

Fog (%)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
None
None
Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

64
46
63
53
24
54
27
55
50
53
61
60
59
60
45
33
26
20
27
51
87
95
95
95

Precipitation Amount (mm)

0
0
0.2
0
0
0.4
0
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0.6
0.7
0.7
1.4

Wind Speed/Direction (mph)

7
6
5
6
7
8
9
10
10
10
9
9
8
8
7
7
6
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

11
10
10
9
9
9
10
11
11
11
11
11
11
10
10
10
10
9
9
9
9
9
9
9

Feels Like (°C)

8
7
7
7
6
7
7
7
8
8
8
8
8
8
8
8
7
8
7
8
7
7
7
7

Dew Point (°C)

8
7
7
6
6
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

81
81
81
82
81
84
82
77
75
72
79
84
85
87
87
85
87
88
88
88
90
90
91
91

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019

Ozone (du)

321
318
316
312
313
314
314
312
312
310
306
304
305
304
303
304
303
303
301
299
295
293
294
294

Sunday 7

Waning Gibbous 83%

19:32

10:45

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:38, Set: 16:27, Transit: 12:02. Moon - Rise: 19:32, Set: 10:45. Civil Dark: 17:01 - 07:04. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:14 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
91
86
97
94
71
82
94
80
93
95
96
100
100
100
99

Low Clouds (% Sky Obscured)

100
93
99
100
99
95
91
92
91
76
82
95
79
71
80
90
77
82
85
74
50
51
84
86

Medium Clouds (% Sky Obscured)

100
96
100
95
81
49
53
100
80
14
45
31
45
0
5
21
21
41
45
89
100
100
100
93

High Clouds (% Sky Obscured)

100
100
49
63
100
100
100
100
100
45
40
5
0
0
8
10
29
16
25
34
100
100
100
47

ISS Passover

Visibility (miles)

3
3
4
9
8
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
10
5
3
3
2
2
1
2
2
1

Precipitation Type

Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
86
59
40
41
40
34
32
37
32
26
32
33
31
22
22
23
44
70

Precipitation Amount (mm)

1.5
1.7
0.4
0.3
0.2
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

5
6
5
7
7
10
10
10
9
9
9
9
8
7
7
6
5
5
4
5
5
4
4
5

Chance of Frost

Temperature (°C)

8
8
8
9
9
10
10
11
12
13
13
13
12
12
12
11
11
11
10
10
10
10
10
10

Feels Like (°C)

6
6
6
6
6
6
7
8
9
10
11
11
10
10
10
10
10
10
9
9
8
8
8
8

Dew Point (°C)

7
7
7
7
7
8
9
10
11
11
11
11
11
11
11
11
10
10
10
10
9
9
9
9

Relative Humidity (%)

93
93
91
91
88
85
90
90
93
92
89
92
93
93
93
95
95
95
95
95
95
95
95
93

Pressure (mb)

1018
1017
1017
1017
1016
1016
1017
1018
1018
1018
1019
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1023
1023
1022

Ozone (du)

297
297
303
303
306
309
313
316
320
327
329
326
322
321
321
321
316
310
308
313
316
316
311
309

Monday 8

Waning Gibbous 80%

20:52

11:19

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:39, Set: 16:27, Transit: 12:03. Moon - Rise: 20:52, Set: 11:19. Civil Dark: 17:01 - 07:05. Nautical Dark: 17:38 - 06:27. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
96
97
93
94
87
91
94
95
94
95
94
93
94
96
95
94
94
94
93
92
86
82
77

Medium Clouds (% Sky Obscured)

99
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
8
9
4
3
2
2
2
2
2
1
1
3
3
2
2
2
2
5
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.8
0.5
0.6
0.7
1.6
2.4
2
3.6
3.6
3.6
4.1
3.1
2.4
1.7
3
4
4.3
3.5
1.1
1.2
1.6
1.2
1.6
1.4

Wind Speed/Direction (mph)

5
7
8
7
9
12
13
14
15
15
14
15
15
15
15
15
15
14
12
9
6
7
6
5

Chance of Frost

Temperature (°C)

10
9
10
10
11
12
12
13
13
13
13
13
13
13
13
13
12
12
12
12
12
12
11
11

Feels Like (°C)

8
6
6
7
8
8
9
8
9
9
9
9
10
10
9
9
9
10
10
10
11
10
9
9

Dew Point (°C)

9
8
8
9
10
11
11
12
12
11
12
12
12
12
12
12
12
12
11
9
9
10
9
9

Relative Humidity (%)

93
90
90
91
93
93
95
93
93
92
92
92
95
93
93
95
95
95
93
81
81
86
87
86

Pressure (mb)

1021
1021
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1018
1018
1019
1020
1020
1021

Ozone (du)

302
297
295
296
290
290
292
293
293
293
291
291
289
289
290
292
298
303
304
307
308
307
306
304

Tuesday 9

Waning Gibbous 74%

22:08

11:45

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:40, Set: 16:27, Transit: 12:03. Moon - Rise: 22:08, Set: 11:45. Civil Dark: 17:01 - 07:06. Nautical Dark: 17:38 - 06:28. Astro Dark: 18:14 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
69
76
80
83
86
88
89
90
93
97
100
98
97
96
94
93
91
91
92
92
71
89
85

Medium Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
97
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
8
6
9
9
6
5
3
2
1
2
4
9
6
5
3
3
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
93
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.1
0.7
0.5
0.6
0.7
1.2
1
0.7
0.6
1.1
1.1
1.8
2.4
1.7
1.3
0.8
0.8
1.3
1.7
1.7
0.8
0.9
0.9
0.7

Wind Speed/Direction (mph)

5
4
4
3
3
3
4
3
3
2
2
2
3
4
6
8
8
8
8
10
11
13
13
13

Chance of Frost

Temperature (°C)

11
10
10
10
9
9
9
9
9
9
9
8
9
9
9
9
9
10
10
11
12
13
13
13

Feels Like (°C)

8
8
8
8
8
8
8
8
8
8
7
7
7
6
6
5
6
6
7
8
8
10
10
9

Dew Point (°C)

8
8
8
7
7
7
8
7
7
7
7
7
8
8
8
7
7
8
8
9
10
10
10
10

Relative Humidity (%)

85
84
84
85
87
85
88
87
87
87
90
91
96
96
96
91
87
88
87
88
89
83
82
80

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1021
1019
1018
1017
1016
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

301
300
301
301
299
299
299
296
295
294
294
295
295
295
297
299
299
301
305
305
304
304
302
301

Wednesday 10

Waning Gibbous 64%

23:20

12:05

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:40, Set: 16:27, Transit: 12:04. Moon - Rise: 23:20, Set: 12:05. Civil Dark: 17:01 - 07:07. Nautical Dark: 17:38 - 06:29. Astro Dark: 18:14 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
99
99
99
98
98
99
100

Low Clouds (% Sky Obscured)

90
93
96
96
96
96
97
98
99
99
98
97
85
76
71
72
64
57
63
79
92
94
95
96

Medium Clouds (% Sky Obscured)

100
100
100
99
99
99
99
100
99
99
98
97
95
92
89
74
64
55
69
82
92
94
97
99

High Clouds (% Sky Obscured)

100
100
100
73
47
20
41
61
81
75
90
84
90
95
98
81
63
49
66
79
76
80
90
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
94
95
80
78
75
72
62
84
69
41
55
53
43
56
62
64
83
93
95

Precipitation Amount (mm)

0.6
0.4
0.4
0.4
0.4
0.3
0.5
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5

Wind Speed/Direction (mph)

13
13
13
12
12
11
10
10
9
9
8
6
6
5
4
4
4
4
4
3
3
3
3
2

Chance of Frost

Temperature (°C)

13
14
13
14
14
13
14
13
13
13
13
13
13
13
13
13
13
13
13
13
12
12
12
12

Feels Like (°C)

10
10
10
11
12
11
11
11
10
11
11
12
12
12
12
12
12
13
12
11
11
11
10
10

Dew Point (°C)

10
10
9
10
10
10
12
11
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

78
76
76
80
80
82
87
89
84
79
79
79
82
83
86
87
90
92
92
92
92
92
92
92

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

301
302
303
305
305
306
306
307
309
309
310
311
310
311
312
312
312
311
311
310
309
307
306
305

Thursday 11

Third Quarter 53%

00:28

12:22

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:41, Set: 16:27, Transit: 12:04. Moon - Rise: 00:28, Set: 12:22. Civil Dark: 17:01 - 07:07. Nautical Dark: 17:39 - 06:30. Astro Dark: 18:15 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
97
97
96
94
93
94
97
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
97
94
92
92
92
93
91
88
86
90
95
99
75
51
27

High Clouds (% Sky Obscured)

98
97
85
83
90
100
85
70
38
44
54
67
79
89
93
88
81
72
73
75
76
49
30
25

ISS Passover

Visibility (miles)

9
9
8
7
6
4
3
3
3
3
3
3
3
3
2
1
3
4
6
7
8
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
93
81
69
60
63
61
50
48
42
29

Precipitation Amount (mm)

0.5
0.6
0.6
0.9
1.1
1.2
1.2
1
0.7
0.8
0.7
0.4
0.5
0.5
0.5
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
3
3
3
3
4
5
5
5
4

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
12
11
11
11
11
11
11
11
11

Feels Like (°C)

11
11
11
11
11
11
10
11
11
12
11
11
11
12
11
10
9
9
9
10
10
9
9
9

Dew Point (°C)

11
11
11
11
11
12
11
12
12
13
13
13
12
13
12
12
11
11
11
11
11
10
10
10

Relative Humidity (%)

93
93
92
93
93
95
96
96
96
96
98
98
98
98
98
98
98
98
98
96
96
96
96
96

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

303
303
303
302
302
302
302
300
299
297
295
293
291
292
293
293
292
291
289
288
287
285
284
283

Friday 12

Waning Crescent 43%

01:34

12:39

Sun - Rise: 07:42, Set: 16:27, Transit: 12:05. Moon - Rise: 01:34, Set: 12:39. Civil Dark: 17:01 - 07:08. Nautical Dark: 17:39 - 06:31. Astro Dark: 18:15 - 05:55

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for West Portland, Multnomah, United States of America (45.46,-122.72)

Generated: 06/12/25 04:50:43. Forecast: 06/12/25 to 12/12/25. Timezone: UTC-8.00