Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 14

Waning Crescent 16%

03:45

13:32

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:44, Set: 16:28, Transit: 12:06. Moon - Rise: 03:45, Set: 13:32. Civil Dark: 17:02 - 07:10. Nautical Dark: 17:39 - 06:33. Astro Dark: 18:15 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
95
95
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
83
100
100

Low Clouds (% Sky Obscured)

90
88
91
95
49
68
56
77
88
76
76
69
74
80
84
87
91
99
100
100
72
80
79
93

Medium Clouds (% Sky Obscured)

79
92
52
41
44
82
95
100
100
94
100
100
100
100
100
100
100
100
84
65
52
0
31
32

High Clouds (% Sky Obscured)

100
78
24
63
69
60
81
100
100
100
100
100
100
100
100
100
100
88
0
0
0
11
83
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
6
8
7
7
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

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

Precipitation Probability (%)

0
0
0
1
6
4
2
5
17
35
31
55
87
95
95
95
95
95
95
76
76
69
86
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.5
1.4
1.2
1
1.3
0.8
0
0
0.2
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
9
8
8
8
8
9
9
10
9
10
10
11
10
11
11
12
12
13
13
13
14
15

Feels Like (°C)

6
7
6
7
6
6
6
6
7
8
8
8
8
8
9
8
9
9
9
10
10
11
12
13

Dew Point (°C)

2
2
2
2
2
2
3
3
3
4
3
4
6
6
8
9
10
10
9
10
10
11
13
14

Relative Humidity (%)

64
60
62
65
63
64
67
67
67
67
64
67
73
74
85
88
88
86
81
86
84
87
90
93

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013
1014
1014
1015
1015
1015
1016

Ozone (du)

287
286
284
284
283
282
281
280
279
279
278
278
277
276
276
276
278
280
280
281
282
285
288
292

Monday 15

Waning Crescent 10%

04:51

13:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:45, Set: 16:28, Transit: 12:07. Moon - Rise: 04:51, Set: 13:55. Civil Dark: 17:02 - 07:11. Nautical Dark: 17:40 - 06:33. Astro Dark: 18:16 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
99
93
100
100
100
100
100
100
100
100
92
91
89
100
96
92
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
55
22
39
34
40
51
38
63
53
50
54
87
77
78
80
92
93
85
97
91
86
88
80

Medium Clouds (% Sky Obscured)

50
62
94
37
37
50
97
99
100
91
100
100
100
81
70
72
37
32
41
55
55
84
53
55

High Clouds (% Sky Obscured)

92
100
100
35
40
52
100
100
100
100
50
56
43
40
40
40
77
21
25
25
98
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

71
59
42
47
45
42
53
47
40
53
69
91
61
66
70
75
64
56
62
47
43
52
58
57

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.3
0
0
0.3
0.2
0.3
0
0.2
0.2
0.3
0
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
12
8
7
5
5
7
6
4
4
4
5
7
7
5
6
7
9
11
11
11
11
11

Chance of Frost

Temperature (°C)

15
14
13
12
11
11
10
10
10
10
10
10
11
11
11
11
11
11
11
12
12
13
13
13

Feels Like (°C)

12
10
10
10
8
9
8
7
8
8
8
9
9
9
9
10
10
10
9
9
9
10
10
11

Dew Point (°C)

13
11
9
9
8
8
8
7
8
8
8
9
10
10
9
9
10
10
10
10
10
10
11
11

Relative Humidity (%)

87
79
76
81
81
81
84
83
87
85
88
91
93
91
91
91
93
95
91
87
86
83
87
86

Pressure (mb)

1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017
1016
1015
1014

Ozone (du)

295
299
305
306
307
305
303
303
304
304
306
304
304
302
301
301
302
304
304
302
301
302
302
303

Tuesday 16

Waning Crescent 5%

05:57

13:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:46, Set: 16:28, Transit: 12:07. Moon - Rise: 05:57, Set: 13:55. Civil Dark: 17:02 - 07:12. Nautical Dark: 17:40 - 06:34. Astro Dark: 18:16 - 05:58

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
82
64
54
52
45
54
42
87
83
87
94
100
100

Low Clouds (% Sky Obscured)

85
45
76
81
96
88
85
97
100
84
73
82
64
54
52
30
33
35
57
49
59
74
69
54

Medium Clouds (% Sky Obscured)

63
100
95
100
98
100
88
100
100
100
100
71
50
3
0
3
16
0
0
2
10
18
63
97

High Clouds (% Sky Obscured)

68
99
85
94
100
100
100
10
15
0
0
0
0
0
0
0
0
0
25
25
50
75
100
95

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

67
66
67
87
95
95
95
95
95
95
95
72
50
56
48
34
33
31
24
30
51
67
67
68

Precipitation Amount (mm)

0.3
0
0
0.3
0.8
0.9
0.5
2.8
3.9
1.4
0.7
0.2
0
0
0
0
0
0
0
0
0
0.3
0.2
0.3

Wind Speed/Direction (mph)

10
10
10
10
11
11
13
13
16
19
15
15
14
13
11
9
8
9
9
9
10
11
11
10

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
12
13
12
11
8
8
8
7
7
6
6
6
5
6
7
8
9
9

Feels Like (°C)

11
12
11
11
10
11
9
9
8
7
3
3
3
2
2
1
3
3
2
2
3
3
4
5

Dew Point (°C)

12
11
11
11
11
12
9
10
11
10
5
5
5
3
2
0
0
-1
0
1
2
3
5
5

Relative Humidity (%)

87
86
87
86
87
92
83
83
90
92
81
79
79
74
70
67
67
65
68
70
71
74
75
74

Pressure (mb)

1013
1012
1011
1010
1008
1007
1005
1003
1001
1002
1004
1006
1008
1011
1012
1013
1015
1017
1018
1019
1020
1020
1021
1021

Ozone (du)

306
307
307
309
313
316
322
323
326
331
336
344
346
348
347
345
346
348
345
338
334
332
329
327

Wednesday 17

Waning Crescent 2%

07:01

14:25

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:46, Set: 16:29, Transit: 12:08. Moon - Rise: 07:01, Set: 14:25. Civil Dark: 17:03 - 07:12. Nautical Dark: 17:40 - 06:35. Astro Dark: 18:16 - 05:59

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)

77
79
76
77
75
76
75
37
49
19
60
73
87
100
100
100
100
100
100
100
99
97
96
91

Medium Clouds (% Sky Obscured)

95
100
98
91
84
91
91
88
91
96
100
100
100
100
100
100
100
100
72
43
100
100
100
100

High Clouds (% Sky Obscured)

90
86
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

66
52
51
65
54
43
29
10
6
4
6
48
91
95
95
95
95
95
95
95
95
84
70
91

Precipitation Amount (mm)

0.3
0
0
0.4
0.2
0
0
0
0
0
0
0
0.6
0.8
0.8
1.2
1.1
0.8
0.7
0.6
0.8
0
0
0

Wind Speed/Direction (mph)

9
9
8
7
7
7
6
4
3
4
4
4
5
6
6
6
6
5
5
5
5
5
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
4
4
5

Dew Point (°C)

4
4
5
4
5
4
3
3
3
4
3
2
3
4
4
4
4
4
4
5
5
6
5
5

Relative Humidity (%)

72
73
78
78
82
79
79
79
82
83
81
76
79
86
88
86
88
90
91
93
93
96
90
82

Pressure (mb)

1021
1021
1021
1021
1022
1021
1021
1020
1020
1019
1018
1017
1016
1015
1013
1011
1010
1008
1007
1007
1006
1006
1005
1005

Ozone (du)

329
329
327
325
325
326
325
324
322
322
325
324
325
325
323
321
320
322
326
328
326
324
325
327

Thursday 18

Waning Crescent 0%

08:00

15:03

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:47, Set: 16:29, Transit: 12:08. Moon - Rise: 08:00, Set: 15:03. Civil Dark: 17:03 - 07:13. Nautical Dark: 17:41 - 06:35. Astro Dark: 18:17 - 05:59

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
99
100

Low Clouds (% Sky Obscured)

92
90
89
89
89
89
90
90
90
93
95
95
94
94
95
97
100
100
100
100
92
83
75
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
56
71
85
100
92
86
81
63
45
25
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
96
93
92
91
85
80
60
25
5

ISS Passover

Visibility (miles)

8
9
6
4
3
4
7
6
3
3
5
6
9
9
9
8
7
6
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light 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)

0.4
0.4
0.8
1.4
1.6
0.6
0.4
0.8
1.4
0.9
0.9
0.9
1.1
1.3
4.2
3.5
3
2.6
2.2
1.7
2.1
1.7
1.3
1

Wind Speed/Direction (mph)

7
5
4
4
5
6
6
6
5
4
3
3
3
1
2
2
1
1
3
6
8
7
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
8
8
10
10
10
10
9
10
9
10
9
8
8
8
8
8
8
10
11
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

82
88
91
95
95
95
92
93
96
96
96
95
90
88
88
87
88
87
87
84
83
79
74
71

Pressure (mb)

1005
1005
1005
1005
1006
1006
1006
1005
1005
1005
1004
1004
1004
1004
1003
1003
1002
1002
1002
1002
1003
1002
1002
1002

Ozone (du)

325
323
322
322
324
327
329
330
330
331
332
336
339
340
338
338
339
339
341
342
343
347
350
353

Friday 19

New Moon 1%

08:50

15:51

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:47, Set: 16:30, Transit: 12:09. Moon - Rise: 08:50, Set: 15:51. Civil Dark: 17:04 - 07:13. Nautical Dark: 17:41 - 06:36. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

100
100
92
85
77
84
90
94
87
81
74
75
74
74
79
85
90
89
89
89
91
94
97
97

Low Clouds (% Sky Obscured)

77
77
76
74
73
75
77
81
70
66
63
60
62
65
71
77
81
82
80
80
74
64
55
60

Medium Clouds (% Sky Obscured)

36
39
43
49
56
68
81
94
80
62
46
34
25
15
18
22
27
23
12
7
4
4
4
5

High Clouds (% Sky Obscured)

5
0
5
5
15
17
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

ISS Passover

Visibility (miles)

8
8
7
8
8
9
8
7
6
7
8
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
Very Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
93
90
86
72
89
92
84
79
73
62
60
55
47
53
56
56
57
57
55
64
67
64
64

Precipitation Amount (mm)

0.7
0.3
0.4
0.3
0
0.4
0.5
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
11
11
10
10
10
9
8
6
6
6
5
6
6
5
6
6
6
7
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
76
77
77
79
81
81
84
85
88
90
90
90
90
91
90
88
88
88
88
87
85
84

Pressure (mb)

1002
1002
1003
1003
1004
1004
1005
1006
1007
1008
1010
1011
1012
1013
1014
1014
1015
1015
1016
1017
1017
1017
1017
1017

Ozone (du)

354
355
356
357
357
358
361
364
367
367
366
366
366
366
366
364
362
361
360
359
358
360
362
364

Saturday 20

Waxing Crescent 3%

09:31

16:48

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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:48, Set: 16:30, Transit: 12:09. Moon - Rise: 09:31, Set: 16:48. Civil Dark: 17:04 - 07:14. Nautical Dark: 17:42 - 06:36. Astro Dark: 18:18 - 06:00

Total Clouds (% Sky Obscured)

98
98
99
99
100
100
100
100
86
71
59
48
38
22
41
55
69
79
86
89

Low Clouds (% Sky Obscured)

64
67
71
72
68
75
86
99
79
58
37
28
18
11
16
13
9
26
47
68

Medium Clouds (% Sky Obscured)

6
7
35
67
100
100
99
99
71
43
15
11
10
19
17
15
7
34
61
89

High Clouds (% Sky Obscured)

13
19
15
13
9
7
4
2
4
7
9
3
2
0
10
23
34
39
39
40

ISS Passover

Visibility (miles)

9
9
9
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

Precipitation Type

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

Precipitation Probability (%)

60
51
57
66
72
80
82
75
69
64
52
52
45
28
46
46
34
41
39
22

Precipitation Amount (mm)

0
0
0
0.2
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
6
6
6
5
4
4
3
3
3
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
4
4
4
3
4
4
4
5
5
5
6
6
5
4
4

Dew Point (°C)

6
6
6
6
5
5
4
4
3
3
3
3
3
3
3
3
3
3
2
2

Relative Humidity (%)

85
87
87
88
88
91
87
85
82
82
83
83
83
83
85
83
83
83
76
72

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

363
363
362
361
360
358
356
354
352
352
352
352
353
353
353
352
352
351
352
352

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

Generated: 14/12/25 14:44:21. Forecast: 14/12/25 to 20/12/25. Timezone: UTC-8.00