Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 24%

02:39

12:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:44, Set: 16:28, Transit: 12:05. Moon - Rise: 02:39, Set: 12:55. Civil Dark: 17:02 - 07:10. Nautical Dark: 17:39 - 06:32. Astro Dark: 18:15 - 05:56

Total Clouds (% Sky Obscured)

90
79
69
55
56
100
100
100
100
100
100
100
72
93
95
98
95
97
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

56
49
37
13
0
0
0
0
0
16
27
16
6
14
30
28
19
4
36
57
67
78
92
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
23
71
54
26
22
27
46
50
65
77
64
87
98
91

High Clouds (% Sky Obscured)

0
0
0
0
53
100
100
100
100
100
100
100
33
64
67
93
72
82
100
100
100
100
73
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

15
9
0
0
0
0
0
0
0
0
0
0
0
0
0
9
34
26
20
17
18
0
7
13

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
15
68
77
95
95
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.6
1.9
0.9
0

Wind Speed/Direction (mph)

3
3
3
3
2
2
3
3
3
2
3
4
3
3
2
2
2
3
3
2
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
12
13
13
13
13
11
11
9
8
7
6
6
6
5
4
4
4
4
5
6
7
6
7

Dew Point (°C)

7
6
5
4
3
3
5
5
5
4
3
3
4
3
3
2
2
3
3
3
4
4
4
4

Relative Humidity (%)

84
73
64
57
52
51
57
62
67
69
69
70
73
74
75
76
78
78
79
77
75
74
73
71

Pressure (mb)

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

Ozone (du)

273
273
272
273
273
273
272
272
271
272
273
275
277
281
282
282
284
286
287
287
289
291
291
290

Sunday 14

Waning Crescent 16%

03:45

13:12

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:44, Set: 16:28, Transit: 12:06. Moon - Rise: 03:45, Set: 13:12. 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
100
100
100
98
99
82
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
97
97
100
88
85
75
62
68
60
72
94
78
75
88
83
87
90
89
87
96
94

Medium Clouds (% Sky Obscured)

95
100
98
100
98
100
92
84
60
62
96
96
100
100
100
95
99
100
100
100
100
100
100
64

High Clouds (% Sky Obscured)

100
78
52
52
23
55
50
98
66
100
75
95
97
100
100
100
100
100
100
100
100
100
90
100

ISS Passover

Visibility (miles)

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

Fog (%)

1
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
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

66
58
68
60
59
61
60
31
23
32
22
16
16
41
42
17
51
92
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0
0.4
0.2
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0.6
0.6
0.7
1.8
1.7
1.6
0.5

Wind Speed/Direction (mph)

2
3
4
2
1
1
2
2
2
2
2
0
2
2
2
3
4
4
5
5
5
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
3
3
3
3
3
4
4
4
5
4
4
4
4
5
5
6
7
7
9
10

Relative Humidity (%)

69
68
67
66
64
66
66
66
67
68
69
69
72
70
68
68
67
68
69
71
72
75
83
86

Pressure (mb)

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

Ozone (du)

290
289
290
291
289
288
286
286
286
284
284
283
282
283
282
282
281
281
280
279
277
279
279
281

Monday 15

Waning Crescent 15%

04:51

13:32

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:45, Set: 16:28, Transit: 12:06. Moon - Rise: 04:51, Set: 13:32. 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
92
100
98
100
90
88
71
77
100
100
100
100
100
93
95
99
97
94
92
94
97

Low Clouds (% Sky Obscured)

100
100
100
92
92
77
93
43
34
71
77
76
78
52
78
84
77
78
91
89
88
86
87
89

Medium Clouds (% Sky Obscured)

55
50
60
34
0
0
25
12
6
14
38
17
62
78
97
95
89
91
98
95
92
85
93
92

High Clouds (% Sky Obscured)

80
45
0
0
86
94
100
15
15
14
10
81
82
100
100
100
44
25
25
26
27
23
48
73

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

95
94
84
83
69
49
59
58
49
36
23
21
25
36
46
75
56
62
61
68
81
95
86
88

Precipitation Amount (mm)

1.3
0.3
0
0.3
0
0
0.3
0.2
0
0
0
0
0
0
0
0.5
0
0
0
0.3
0.3
0.5
0.4
0.6

Wind Speed/Direction (mph)

9
11
10
9
9
9
11
9
8
7
6
4
3
4
4
5
6
7
5
6
7
8
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
83
83
87
90
93
92
86
84
81
83
81
85
90
93
91
93
92
93
93
95
93
90
90

Pressure (mb)

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

Ozone (du)

283
285
289
291
295
300
301
303
304
306
307
307
308
306
303
304
302
302
300
300
300
302
303
302

Tuesday 16

Waning Crescent 10%

05:57

13:55

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
04 Bad
05 Bad
06 Bad
07 Bad
08 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
99
100
100
90
81
69
61
63
61
56
60
50
56
62

Low Clouds (% Sky Obscured)

90
87
38
86
84
85
84
88
91
95
94
96
97
90
81
69
61
42
27
56
60
50
56
62

Medium Clouds (% Sky Obscured)

99
99
100
100
60
100
100
100
80
41
44
100
100
59
81
4
61
63
55
0
36
14
21
39

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
72
25
0
0
1
14
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

70
73
76
59
63
73
82
95
95
95
95
95
95
95
89
95
85
86
46
57
62
28
58
53

Precipitation Amount (mm)

0.3
0.3
0.3
0
0.3
0.3
0.3
0.5
0.6
0.7
1.3
2.8
3.4
2.5
0.3
0.6
0.4
0.5
0
0
0
0
0.3
0

Wind Speed/Direction (mph)

10
9
10
10
11
11
12
13
14
15
16
16
17
19
19
17
14
13
13
11
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
10
11
10
10
9
8
8
7
6
5
5
2
1
1
0
-1
0
0
-0
1
1

Dew Point (°C)

11
11
11
10
11
11
12
11
10
9
8
8
8
8
4
3
3
1
0
-1
-1
-1
-1
1

Relative Humidity (%)

90
90
86
83
84
86
90
87
86
84
80
83
87
88
74
74
78
70
67
67
67
67
68
75

Pressure (mb)

1014
1014
1014
1013
1012
1010
1009
1008
1006
1004
1003
1002
1001
1000
1002
1003
1007
1009
1010
1012
1013
1014
1015
1016

Ozone (du)

302
301
300
299
301
305
309
314
317
321
325
329
330
335
345
349
351
354
350
345
351
349
344
338

Wednesday 17

Waning Crescent 5%

07:01

14:25

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:46, Set: 16:29, Transit: 12:07. 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)

62
73
86
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)

62
73
70
68
70
76
78
69
67
62
66
65
66
62
68
75
79
84
91
87
84
81
82
82

Medium Clouds (% Sky Obscured)

40
56
67
81
88
96
99
100
100
100
99
99
97
87
89
91
93
95
98
99
99
100
96
92

High Clouds (% Sky Obscured)

25
50
54
75
80
80
80
80
80
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

50
68
75
94
95
95
79
84
75
86
95
92
84
72
63
53
54
47
30
46
50
41
53
58

Precipitation Amount (mm)

0
0.2
0.3
0.7
0.5
0.6
0.3
0.5
0.4
0.6
1.1
0.7
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
4
5
5
6
6
6
5
6
5
5
4
4
4
3
3
2
2
1
1
1
2
2

Relative Humidity (%)

75
75
81
82
84
84
88
88
88
91
93
93
90
86
83
81
78
75
72
71
72
74
76
78

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1014
1013
1012

Ozone (du)

337
338
340
345
341
340
339
339
338
337
335
334
332
330
331
332
333
334
335
336
338
340
343
346

Thursday 18

Waning Crescent 2%

08:00

15:03

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
04 Bad
05 Bad
06 Bad
07 Bad
08 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
92
83
73
73
70
70
80
90

Low Clouds (% Sky Obscured)

82
86
91
96
98
99
100
100
100
100
94
88
83
87
92
93
81
70
60
63
63
61
67
78

Medium Clouds (% Sky Obscured)

88
92
96
100
97
93
90
78
66
54
59
41
30
36
38
28
22
14
10
30
47
68
78
89

High Clouds (% Sky Obscured)

100
94
83
76
83
92
100
100
100
100
100
100
100
97
97
100
89
78
67
44
26
10
25
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
8
8
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

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

Precipitation Probability (%)

44
74
84
80
95
95
95
95
90
73
79
76
61
56
48
34
42
45
44
41
40
42
56
63

Precipitation Amount (mm)

0
0.3
0.4
0.3
0.6
0.7
0.6
0.6
0.5
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
1
1
1
1
1
1
2
3
3
4
4
5
5
6
7
7
7
7
7
6
6
6

Dew Point (°C)

2
3
3
4
4
4
4
4
4
4
4
4
4
4
5
6
7
8
8
8
8
7
7
7

Relative Humidity (%)

79
82
82
83
83
84
85
86
85
85
85
82
81
79
81
82
83
84
85
87
88
90
90
90

Pressure (mb)

1012
1011
1009
1008
1006
1004
1003
1001
1002
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

348
351
349
347
345
347
348
349
351
353
356
356
356
356
353
351
349
350
350
351
351
351
351
352

Friday 19

New Moon 0%

08:50

15:51

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: 07:47, Set: 16:30, Transit: 12:08. 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
100
99
95
91
88
90
91
91
91
92
94
95
95
96
85
75
67

Low Clouds (% Sky Obscured)

94
93
92
91
69
49
29
32
33
32
51
73
94
95
95
96
85
75
67

Medium Clouds (% Sky Obscured)

100
100
100
99
94
89
83
87
91
91
91
92
94
90
80
70
48
25
3

High Clouds (% Sky Obscured)

45
30
13
0
13
23
25
20
7
0
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

9
9
7
6
4
5
7
8
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

Precipitation Type

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

Precipitation Probability (%)

65
60
56
52
64
67
64
70
70
65
69
67
62
61
57
50
63
61
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
8
9
8
8
8
7
7
7
7
7
8
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
7
6
5
5
4
4
4
4
4
5
5
5
4
4
4

Relative Humidity (%)

90
90
87
82
80
78
75
75
78
79
82
85
87
90
88
90
90
91
91

Pressure (mb)

1008
1008
1008
1008
1007
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1014

Ozone (du)

353
353
357
360
363
366
369
371
370
369
369
367
366
365
364
363
361
361
360

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

Generated: 13/12/25 09:51:44. Forecast: 13/12/25 to 19/12/25. Timezone: UTC-8.00