Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 11

Waning Crescent 36%

04:02

13:18

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:30, Set: 19:52, Transit: 13:11. Moon - Rise: 04:02, Set: 13:18. Civil Dark: 20:23 - 05:59. Nautical Dark: 21:00 - 05:22. Astro Dark: 21:40 - 04:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
92
98
90
90
78
78
93
88
92
100
93
88
100
96
100

Low Clouds (% Sky Obscured)

93
100
100
99
95
91
86
70
68
72
95
77
57
58
62
67
54
40
38
21
39
31
45
38

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
96
70
69
70
73
28
19
75
50
69
43
22
53
93
80
75

High Clouds (% Sky Obscured)

100
100
100
96
100
100
96
57
50
50
50
50
45
26
17
83
35
39
100
83
56
64
69
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
52
18
9
19
26
51
53
61
75
94
60
42
26
7
8
6
6

Precipitation Amount (mm)

1.6
1.6
2.6
1.8
1.7
1.2
0.8
0
0
0
0
0
0
0
0
0.4
1.1
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
11
10
10
9
10
10
11
12
13
15
15
16
16
15
14
13
12
11
11
10
10

Feels Like (°C)

10
9
7
8
8
8
8
9
10
11
11
13
15
15
15
15
15
13
13
11
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

96
93
93
95
95
95
96
96
95
91
90
83
73
65
58
61
68
78
86
90
93
91
91
91

Pressure (mb)

1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005
1005
1005
1006
1006
1005
1005

Ozone (du)

343
348
352
352
354
359
364
364
364
359
350
345
346
347
344
345
346
350
357
362
369
371
369
369

Sunday 12

Waning Crescent 26%

04:26

14:29

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:28, Set: 19:54, Transit: 13:11. Moon - Rise: 04:26, Set: 14:29. Civil Dark: 20:24 - 05:57. Nautical Dark: 21:02 - 05:20. Astro Dark: 21:42 - 04:40

Total Clouds (% Sky Obscured)

100
100
75
96
100
99
96
96
97
92
94
99
97
79
92
98
100
96
98
88
97
93
89
93

Low Clouds (% Sky Obscured)

28
48
49
40
40
57
52
76
49
61
77
85
53
70
82
89
94
94
82
66
80
73
84
92

Medium Clouds (% Sky Obscured)

67
58
43
79
36
50
36
39
72
66
63
93
95
77
81
74
82
78
73
47
52
45
28
20

High Clouds (% Sky Obscured)

100
100
44
25
100
97
87
40
52
53
50
87
71
48
40
44
51
54
68
15
7
1
1
1

ISS Passover

Visibility (miles)

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

Fog (%)

64
65
34
23
15
13
16
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

2
0
0
0
0
6
0
0
0
1
6
20
23
45
68
66
71
74
55
20
13
10
6
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.5
0.8
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
10
11
12
13
15
15
16
15
14
13
13
12
12
11
10
10
10

Feels Like (°C)

8
8
8
9
8
7
7
9
9
11
11
13
14
14
14
13
13
13
12
11
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
96
93
95
91
88
84
75
65
61
61
65
77
82
82
84
86
89
87
87
87
88

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1007
1008
1009
1011
1012
1012
1013

Ozone (du)

370
368
368
371
373
375
375
374
371
372
373
373
373
373
371
370
370
369
368
360
356
377
397
398

Monday 13

Waning Crescent 18%

04:47

15:42

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:26, Set: 19:55, Transit: 13:11. Moon - Rise: 04:47, Set: 15:42. Civil Dark: 20:26 - 05:55. Nautical Dark: 21:03 - 05:18. Astro Dark: 21:43 - 04:38

Total Clouds (% Sky Obscured)

93
99
100
100
99
99
93
99
100
99
99
100
93
86
100
95
66
72
51
70
89
100
100
100

Low Clouds (% Sky Obscured)

92
97
100
100
98
99
88
99
91
92
81
90
85
85
90
89
66
71
16
20
42
44
89
89

Medium Clouds (% Sky Obscured)

19
28
68
62
62
63
47
47
45
44
45
45
36
29
50
39
3
0
0
0
45
70
22
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
27
7
0
0
0
2
2
12
4
21
40
32
100
100
98

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

Precipitation Probability (%)

19
13
30
43
44
38
19
35
44
57
67
62
57
32
25
19
10
8
8
6
5
8
12
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
3
3
3
4
4
4
5
6
6
5
5
5
6
7
8
9
8
7
5
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
7
6
7
7
6
4
3
4
2
-1
0
1
2
2
2
2
2
2
2

Relative Humidity (%)

88
88
88
90
90
88
85
85
82
78
69
61
62
55
43
44
47
51
55
61
65
67
69
69

Pressure (mb)

1013
1014
1014
1015
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

388
385
390
391
387
387
387
387
386
384
383
378
376
372
372
372
373
373
374
379
380
381
381
380

Tuesday 14

Waning Crescent 10%

05:06

16:56

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:24, Set: 19:56, Transit: 13:10. Moon - Rise: 05:06, Set: 16:56. Civil Dark: 20:27 - 05:54. Nautical Dark: 21:05 - 05:16. Astro Dark: 21:45 - 04:36

Total Clouds (% Sky Obscured)

100
100
98
99
99
94
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
87
55
62
84
65
82
87
89
97
94
89
85
90
95
100
100
100
100
99
99
98
99
99

Medium Clouds (% Sky Obscured)

31
28
47
83
86
23
71
70
81
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

99
80
67
55
34
35
35
37
73
87
92
96
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very 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 (%)

18
20
23
27
24
23
20
31
25
34
49
61
70
85
90
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.4
0.4
0.6
0.8
1.4
1.1
0.8
0.6
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
79
85
85
87
85
75
74
64
62
67
72
69
74
81
90
91
95
96
94
96
94
96

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

379
379
380
381
383
383
380
378
377
378
381
383
388
393
397
400
401
402
403
403
401
400
401
403

Wednesday 15

Waning Crescent 4%

05:25

18:13

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:23, Set: 19:58, Transit: 13:10. Moon - Rise: 05:25, Set: 18:13. Civil Dark: 20:29 - 05:52. Nautical Dark: 21:06 - 05:14. Astro Dark: 21:47 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
83
65
47
50
68
99
88
88
81
86
91
97
97
97
96
87
74
61
62
61

Low Clouds (% Sky Obscured)

100
86
76
64
16
63
46
35
41
72
61
82
55
81
72
59
48
42
40
35
30
23
34
50

Medium Clouds (% Sky Obscured)

100
100
100
100
82
22
40
15
20
25
44
81
80
86
91
97
91
82
75
54
42
30
35
40

High Clouds (% Sky Obscured)

80
54
25
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
3
6
9
9
9
9
9
7
8
7
0
5
4
7
9
7
8
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
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
87
49
56
53
43
45
55
62
79
93
95
95
70
66
74
61
48
39
30
16
31
32

Precipitation Amount (mm)

1.1
1
0.3
0
0
0
0
0
0.2
0.2
0.4
0.6
0.6
0.5
0
0.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
3
4
2
1
2
3
4
5
7
7
8
12
10
9
10
9
7
6
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
91
89
91
89
82
71
65
63
64
73
70
80
70
62
68
71
76
79
82
83
83

Pressure (mb)

1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1021
1021
1022

Ozone (du)

404
405
406
409
412
416
423
430
436
440
446
448
450
451
446
436
432
432
432
432
434
436
438
433

Thursday 16

Waning Crescent 1%

05:44

19:33

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 Good
00 Good

Sun - Rise: 06:21, Set: 19:59, Transit: 13:10. Moon - Rise: 05:44, Set: 19:33. Civil Dark: 20:30 - 05:50. Nautical Dark: 21:08 - 05:12. Astro Dark: 21:49 - 04:31

Total Clouds (% Sky Obscured)

62
67
81
93
91
89
86
84
83
84
79
76
75
70
69
67
62
57
51
35
20
5
9
12

Low Clouds (% Sky Obscured)

62
67
75
78
75
71
68
68
65
64
51
42
35
37
29
23
28
29
27
18
9
1
3
4

Medium Clouds (% Sky Obscured)

40
27
22
11
6
3
0
6
9
10
23
33
36
44
51
58
45
33
20
13
3
0
2
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
11
10
5
3
1
1
1
0
2
3
4
5
6

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 (%)

14
33
34
17
23
20
11
29
32
28
26
22
20
24
25
25
23
21
16
14
10
3
5
4

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)

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

Chance of Frost

Temperature (°C)

4
3
3
3
3
4
4
4
5
7
8
9
10
11
11
12
12
12
11
10
8
7
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
85
82
82
82
80
79
79
79
78
75
74
72
66
62
57
61
65
68
73
76
82
83

Pressure (mb)

1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1025
1025
1025
1026
1026

Ozone (du)

428
423
418
414
410
406
403
400
396
393
390
388
386
384
382
380
378
375
373
370
369
368
367
365

Friday 17

New Moon 0%

06:07

20:56

Sun - Rise: 06:19, Set: 20:00, Transit: 13:10. Moon - Rise: 06:07, Set: 20:56. Civil Dark: 20:31 - 05:48. Nautical Dark: 21:09 - 05:10. Astro Dark: 21:51 - 04:29

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: 11/04/26 01:10:10. Forecast: 11/04/26 to 17/04/26. Timezone: UTC-7.00