Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 14

Waning Crescent 10%

05:06

16:56

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: 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)

89
90
94
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
90
94
96
87
94
91
87
84
100
96
79
91
88
87
95
98
87
89
94
98
100
100
100

Medium Clouds (% Sky Obscured)

29
52
70
96
98
100
99
100
100
100
100
100
100
81
98
100
99
97
98
100
100
100
100
100

High Clouds (% Sky Obscured)

59
61
68
65
72
83
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94

ISS Passover

Visibility (miles)

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

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
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
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

2
9
13
17
33
26
48
59
57
86
91
91
95
92
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0.4
0.3
0.7
1
1.1
1.2
0.8
0.8
1.6
2.9
4
3.4

Wind Speed/Direction (mph)

5
5
4
4
7
9
9
11
11
12
11
11
11
13
13
12
13
13
13
15
15
13
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
2
1
2
1
2
3
6
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

75
78
76
76
72
67
66
60
64
67
82
87
91
91
93
93
96
94
96
96
94
94
98
98

Pressure (mb)

1021
1021
1020
1020
1020
1020
1019
1018
1018
1018
1018
1017
1016
1016
1015
1015
1014
1014
1013
1012
1011
1011
1011
1010

Ozone (du)

373
370
368
366
363
363
363
364
368
374
379
380
379
379
386
391
388
387
386
387
387
390
396
401

Wednesday 15

Waning Crescent 4%

05:25

18:13

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: 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
98
64
62
90
82
75
100
100
100
100
82
100
100
100
100
100
65
61
81
65
73

Low Clouds (% Sky Obscured)

100
100
78
72
55
50
73
67
75
76
61
70
51
54
36
86
91
76
32
40
38
71
45
57

Medium Clouds (% Sky Obscured)

100
100
100
68
24
51
32
50
36
100
100
100
100
71
100
100
100
100
100
57
10
15
28
40

High Clouds (% Sky Obscured)

100
2
0
0
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
92
41
32
42
80
95
91
83
91
81
81
71
74
68
62
51
32
15
27
28
27
28

Precipitation Amount (mm)

3.4
1.9
0.3
0
0
0
0.6
1.2
0.7
0.4
0.6
0.4
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
90
82
71
70
71
75
78
80
79
77
78
81
85
88
89
93
93
96
96
96

Pressure (mb)

1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

405
410
419
429
432
438
442
444
450
455
449
437
432
432
431
431
434
434
434
432
430
430
428
424

Thursday 16

Waning Crescent 1%

05:44

19:33

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 OK
20 OK
21 Good
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

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)

76
70
68
93
100
82
94
91
79
39
35
27
67
71
42
17
13
7
37
60
80
84
86
73

Low Clouds (% Sky Obscured)

76
70
67
92
100
82
92
83
79
39
35
27
54
24
24
17
10
6
37
53
55
38
46
29

Medium Clouds (% Sky Obscured)

2
0
8
13
8
2
24
35
24
9
2
6
24
31
13
0
0
0
0
0
0
0
8
17

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
49
79
80
73

ISS Passover

Visibility (miles)

9
9
9
9
9
8
0
0
9
9
9
9
8
9
9
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
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 (%)

12
14
11
10
25
47
42
34
42
43
45
37
35
34
35
24
18
8
5
4
13
6
8
8

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
3
2
4
5
7
8
9
11
11
12
12
13
12
11
9
7
5
4
3
3
2
2

Feels Like (°C)

2
1
0
0
1
3
4
6
7
9
9
10
11
12
12
10
8
7
5
3
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

96
93
96
98
91
88
94
96
93
90
90
84
80
75
70
76
84
87
86
86
85
85
86
88

Pressure (mb)

1021
1021
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

420
419
418
412
412
416
419
422
418
413
411
405
399
392
384
379
376
371
367
364
362
361
360
361

Friday 17

New Moon 0%

06:07

20:56

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

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)

76
97
99
100
91
83
74
49
41
45
51
46
47
67
85
100
100
100
100
100
99
84
96
100

Low Clouds (% Sky Obscured)

37
75
86
87
86
83
74
47
38
45
51
46
30
21
4
3
3
3
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
20
23
28
20
12
2
0
0
0
0
0
0
0
0
16
83
90
100
98
93
45
42
42

High Clouds (% Sky Obscured)

76
88
82
76
54
27
2
4
6
13
22
35
43
62
82
100
98
95
92
86
87
82
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
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 (%)

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

Chance of Frost

Temperature (°C)

2
1
2
3
4
6
8
10
10
11
12
13
13
13
12
11
10
9
9
8
7
7
6
6

Feels Like (°C)

1
0
0
1
1
4
6
8
10
10
10
10
10
10
10
8
8
7
7
6
5
5
6
4

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
82
78
71
60
47
44
43
42
43
45
48
56
61
64
64
67
71
75
79
81

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

362
361
360
360
358
355
353
352
351
350
350
349
347
346
347
348
348
349
351
351
352
348
346
345

Saturday 18

Waxing Crescent 3%

06:34

22:22

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: 06:17, Set: 20:01, Transit: 13:09. Moon - Rise: 06:34, Set: 22:22. Civil Dark: 20:33 - 05:46. Nautical Dark: 21:11 - 05:08. Astro Dark: 21:52 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
93
86
81
86
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
3
3
3
3
33
31
31
30
24
29
34
36
26
20
23
29

Medium Clouds (% Sky Obscured)

40
33
33
51
78
86
47
70
30
32
85
100
87
90
93
97
95
93
91
88
85
82
87
94

High Clouds (% Sky Obscured)

100
100
100
100
82
65
47
65
82
100
100
100
100
100
100
100
100
100
100
100
99
98
99
99

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
1
9
11
11
24
25
23
25
25
23
20
16
8
9
11

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

Chance of Frost

Temperature (°C)

5
5
5
5
6
9
11
15
15
16
18
17
16
15
14
14
13
12
11
10
10
10
10
9

Feels Like (°C)

3
3
3
4
4
6
9
13
13
14
15
15
14
13
13
13
14
13
12
11
9
9
10
9

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
79
71
64
58
54
50
46
44
43
44
47
54
63
71
75
77
80
83
84
87
87

Pressure (mb)

1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

345
344
344
343
343
342
342
343
344
343
344
345
345
347
348
348
349
351
353
354
357
359
361
362

Sunday 19

Waxing Crescent 9%

07:10

23:45

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: 06:16, Set: 20:03, Transit: 13:09. Moon - Rise: 07:10, Set: 23:45. Civil Dark: 20:34 - 05:44. Nautical Dark: 21:13 - 05:06. Astro Dark: 21:54 - 04:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
30
30
30
35
35
40
20
15
15
30
30
35
45
50
50
50
45
45
40
30
25
30
35

Medium Clouds (% Sky Obscured)

100
99
99
98
99
99
99
99
100
100
100
100
100
100
100
100
100
99
98
99
99
100
99
97

High Clouds (% Sky Obscured)

100
100
100
100
99
98
95
96
98
100
100
100
100
92
78
68
77
88
99
98
97
96
94
94

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

11
19
25
32
42
46
43
65
76
83
83
81
74
69
69
76
77
72
59
54
50
47
51
55

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
8
8
9
11
12
13
14
15
16
16
16
16
16
16
15
14
14
13
12
12
11

Relative Humidity (%)

87
88
90
90
91
88
87
84
87
92
95
96
95
95
96
95
96
96
96
96
96
95
96
95

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1010

Ozone (du)

362
363
362
362
361
362
362
363
362
362
361
362
363
364
367
370
373
372
372
372
370
369
367
370

Monday 20

Waxing Crescent 17%

07:57

00:59

Sun - Rise: 06:14, Set: 20:04, Transit: 13:09. Moon - Rise: 07:57, Set: 00:59. Civil Dark: 20:36 - 05:43. Nautical Dark: 21:14 - 05:04. Astro Dark: 21:56 - 04:22

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: 14/04/26 04:37:42. Forecast: 14/04/26 to 20/04/26. Timezone: UTC-7.00