Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 76%

13:39

05:12

08 Good
09 OK
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

Sun - Rise: 06:56, Set: 19:33, Transit: 13:15. Moon - Rise: 13:39, Set: 05:12. Civil Dark: 20:03 - 06:26. Nautical Dark: 20:38 - 05:51. Astro Dark: 21:15 - 05:14

Total Clouds (% Sky Obscured)

7
45
86
81
81
100
84
89
93
92
86
98
98
99
92
99
93
90
90
97
93
99
82
82

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

7
45
72
79
81
100
81
86
73
82
76
97
90
93
89
87
85
87
88
94
88
97
72
80

High Clouds (% Sky Obscured)

7
45
28
3
3
6
13
40
61
70
58
70
95
88
27
84
67
52
54
33
43
44
22
2

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 (%)

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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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 Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
6
9
11
13
14
16
16
16
16
15
13
11
10
9
8
8
7
7
7
6
6
6
5

Feels Like (°C)

1
5
6
8
10
12
13
13
13
13
12
10
9
8
7
6
5
5
5
5
5
4
4
4

Dew Point (°C)

-2
-0
0
0
0
1
1
1
1
2
4
4
4
3
3
3
3
3
3
2
3
2
2
2

Relative Humidity (%)

74
64
54
46
41
39
37
36
35
37
45
53
59
61
64
67
70
73
74
74
78
78
76
80

Pressure (mb)

1025
1025
1024
1023
1022
1021
1020
1020
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

330
329
329
328
329
328
327
326
327
325
322
321
319
319
322
325
327
331
331
331
332
331
332
333

Saturday 28

Waxing Gibbous 85%

14:57

05:35

08 Bad
09 OK
10 OK
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

Sun - Rise: 06:54, Set: 19:34, Transit: 13:15. Moon - Rise: 14:57, Set: 05:35. Civil Dark: 20:04 - 06:24. Nautical Dark: 20:39 - 05:49. Astro Dark: 21:16 - 05:12

Total Clouds (% Sky Obscured)

73
39
44
81
96
98
100
58
59
90
84
88
93
80
74
70
66
70
66
71
79
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
2
2
2
5
10
38
67
68
75
57
44
35
23
32
43
45
45
50
50
55
62

Medium Clouds (% Sky Obscured)

70
37
41
44
51
50
52
52
32
38
33
34
41
40
36
45
58
33
50
40
59
59
93
89

High Clouds (% Sky Obscured)

5
6
6
47
68
80
100
50
29
3
45
45
45
40
30
32
32
35
1
14
20
92
100
89

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 (%)

1
1
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
8
10
11
12
12
13
13
13
13
13
12
10
8
7
6
5
5
4
4
3
3
3
3

Feels Like (°C)

5
7
10
11
10
10
10
12
13
12
10
9
7
5
5
4
3
2
2
1
1
1
1
1

Dew Point (°C)

3
2
2
1
0
-0
-1
-1
-1
0
3
3
2
2
2
1
-0
-1
-2
-3
-4
-3
-3
-2

Relative Humidity (%)

78
68
58
50
45
42
39
37
37
40
50
56
58
64
66
67
67
66
64
63
63
64
65
68

Pressure (mb)

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

Ozone (du)

333
334
337
339
344
345
348
349
348
349
349
351
352
354
355
357
355
355
355
356
357
356
356
355

Sunday 29

Waxing Gibbous 92%

16:12

05:55

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 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 Good

Sun - Rise: 06:52, Set: 19:36, Transit: 13:15. Moon - Rise: 16:12, Set: 05:55. Civil Dark: 20:05 - 06:22. Nautical Dark: 20:41 - 05:47. Astro Dark: 21:18 - 05:10

Total Clouds (% Sky Obscured)

98
99
100
99
96
96
97
100
100
92
92
86
30
20
52
48
73
68
53
58
57
41
25
6

Low Clouds (% Sky Obscured)

72
83
79
87
89
89
81
92
99
91
81
71
30
20
47
12
4
3
0
14
7
5
6
5

Medium Clouds (% Sky Obscured)

96
98
98
99
94
94
95
100
100
79
91
77
30
20
52
20
5
35
31
29
30
20
10
0

High Clouds (% Sky Obscured)

35
57
90
46
20
15
31
15
17
21
20
50
19
20
11
25
73
68
53
58
57
41
25
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
8
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

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

Precipitation Probability (%)

4
7
7
9
18
32
37
53
58
43
38
35
32
27
23
20
8
5
3
2
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
6
7
8
8
8
8
8
7
7
6
5
4
2
2
1
1
-0
-1
-1
-1
-1
-2

Feels Like (°C)

2
2
4
4
5
5
4
4
5
3
3
3
2
0
-1
-2
-1
-1
-1
-1
-1
-2
-2
-2

Dew Point (°C)

-2
-2
-2
-1
0
0
-1
-1
2
2
3
3
1
1
-1
-2
-2
-3
-3
-4
-4
-4
-4
-5

Relative Humidity (%)

67
62
58
57
58
58
54
55
64
70
76
78
76
82
81
78
81
78
80
78
80
80
80
78

Pressure (mb)

1020
1020
1021
1021
1020
1020
1020
1020
1019
1020
1020
1020
1020
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

357
358
357
358
357
358
358
362
371
382
387
387
380
378
378
383
388
392
398
400
398
401
400
400

Monday 30

Waxing Gibbous 97%

17:24

06:12

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

Sun - Rise: 06:50, Set: 19:37, Transit: 13:14. Moon - Rise: 17:24, Set: 06:12. Civil Dark: 20:07 - 06:20. Nautical Dark: 20:42 - 05:45. Astro Dark: 21:19 - 05:07

Total Clouds (% Sky Obscured)

5
11
15
20
30
30
42
44
46
50
61
44
34
24
12
32
60
100
93
93
91
92
92
92

Low Clouds (% Sky Obscured)

4
11
15
20
30
30
42
44
46
41
29
3
3
3
3
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
4
44
46
39
17
24
15
9
3
12
20
57
53
93
91
92
92
92

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
23
25
24
31
20
18
13
9
32
60
100
82
74
60
63
55
58

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 (%)

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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
6
3
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
1
4
6
8
9
11
12
12
13
11
10
8
6
5
4
3
2
1
1
1
2
2
2

Feels Like (°C)

-2
0
3
4
5
7
7
8
8
9
8
7
7
5
3
3
1
0
-2
-1
-2
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

74
60
52
44
39
40
40
38
36
37
36
43
50
55
61
63
65
69
70
73
73
73
72
70

Pressure (mb)

1025
1025
1025
1025
1024
1023
1023
1022
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016

Ozone (du)

399
397
396
396
396
398
400
401
402
403
400
397
395
392
391
392
393
394
396
397
397
396
396
394

Tuesday 31

Waxing Gibbous 99%

18:34

06:29

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:48, Set: 19:38, Transit: 13:14. Moon - Rise: 18:34, Set: 06:29. Civil Dark: 20:08 - 06:18. Nautical Dark: 20:44 - 05:43. Astro Dark: 21:21 - 05:05

Total Clouds (% Sky Obscured)

94
96
97
98
99
100
100
100
100
100
100
100
100
99
99
99
99
98
98
99
99
99
100
100

Low Clouds (% Sky Obscured)

4
9
11
52
7
0
0
0
9
0
0
0
1
55
50
74
65
56
60
64
73
81
90
100

Medium Clouds (% Sky Obscured)

88
95
88
97
99
100
100
97
100
99
97
96
95
96
95
97
97
98
97
97
96
98
99
100

High Clouds (% Sky Obscured)

50
42
36
57
79
100
100
92
99
98
100
100
97
95
93
33
56
82
82
82
82
88
94
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
3
3

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
19
23
46
36
29
50
62
66
86
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.8
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
4
7
9
10
12
13
13
12
12
11
10
9
8
7
7
7
6
6
5
5
5
5
5

Feels Like (°C)

-0
2
4
6
8
10
11
10
9
9
8
8
7
6
5
5
5
5
4
4
3
3
1
1

Dew Point (°C)

-3
-2
-2
-1
0
1
-1
-2
-3
-2
0
2
2
2
3
4
3
2
0
1
2
3
4
4

Relative Humidity (%)

68
62
55
50
48
45
39
36
34
38
45
54
59
64
73
81
76
72
68
75
82
89
91
91

Pressure (mb)

1016
1016
1016
1015
1015
1014
1013
1012
1011
1011
1011
1010
1010
1010
1011
1011
1009
1009
1009
1008
1007
1006
1006
1005

Ozone (du)

395
394
395
396
396
397
395
394
394
394
395
397
398
401
399
399
398
396
394
393
391
390
391
393

Wednesday 1

Full Moon 100%

19:42

06:46

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:46, Set: 19:40, Transit: 13:14. Moon - Rise: 19:42, Set: 06:46. Civil Dark: 20:09 - 06:16. Nautical Dark: 20:45 - 05:40. Astro Dark: 21:23 - 05:03

Total Clouds (% Sky Obscured)

98
97
96
98
99
100
99
98
97
94
92
90
94
97
100
99
98
97
97
97
97
98
99
100

Low Clouds (% Sky Obscured)

96
92
89
90
92
93
92
91
90
90
90
89
86
82
77
68
64
63
63
63
64
71
78
85

Medium Clouds (% Sky Obscured)

97
95
91
94
97
100
88
76
59
62
66
69
87
91
99
94
89
90
94
96
96
93
90
87

High Clouds (% Sky Obscured)

75
50
35
60
58
50
38
29
10
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
5
5
5
5
5
5
5
4
6
8
9
6
3
1
4
6
9
8
6
4
6
7

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

Precipitation Probability (%)

95
95
95
95
95
93
95
95
95
95
95
95
95
95
95
95
95
95
84
78
75
81
80
66

Precipitation Amount (mm)

1.2
1
0.8
0.9
0.8
0.5
0.6
0.7
0.7
0.8
0.8
0.7
0.8
0.7
0.8
1
0.9
0.5
0.4
0.3
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
3
3
4
5
4
4
5
6
5
6
5
5
4
2
1
1
1
-0
-1
0
0

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
90
88
87
84
81
77
82
85
88
91
94
96
96
94
93
94
94
94
93
93

Pressure (mb)

1005
1004
1004
1004
1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1005
1005
1005
1005
1006
1007

Ozone (du)

394
398
401
404
413
423
432
435
439
442
444
446
448
450
451
452
452
451
450
450
449
448
453
457

Thursday 2

Waning Gibbous 98%

20:51

07:05

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
04 Bad

Sun - Rise: 06:44, Set: 19:41, Transit: 13:14. Moon - Rise: 20:51, Set: 07:05. Civil Dark: 20:11 - 06:14. Nautical Dark: 20:47 - 05:38. Astro Dark: 21:24 - 05:01

Total Clouds (% Sky Obscured)

86
73
59
71
84
96
89
84
80
71
58
50
55
63
63
62
61
60
71
82
94

Low Clouds (% Sky Obscured)

76
65
54
67
80
93
86
80
76
67
55
42
33
26
16
16
20
20
47
72
94

Medium Clouds (% Sky Obscured)

58
29
0
0
0
0
1
1
2
1
1
0
0
0
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

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

Fog (%)

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

Precipitation Probability (%)

63
55
40
48
50
52
56
58
55
55
56
57
62
56
39
38
37
20
30
28
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-0
-1
-1
5
6
6
6
6
6
8
7
7
7
7
6
6
6
6
6
5

Dew Point (°C)

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

Relative Humidity (%)

91
85
76
69
64
60
55
55
55
55
60
67
73
77
79
83
83
85
86
85
83

Pressure (mb)

1008
1009
1011
1012
1013
1014
1015
1015
1015
1016
1017
1018
1019
1019
1020
1021
1022
1022
1023
1023
1024

Ozone (du)

461
454
446
439
433
426
420
417
415
412
405
398
391
388
385
382
380
378
376
374
372

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

Generated: 27/03/26 08:21:35. Forecast: 27/03/26 to 02/04/26. Timezone: UTC-7.00