Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 72%

14:02

04:01

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

Sun - Rise: 06:06, Set: 20:10, Transit: 13:08. Moon - Rise: 14:02, Set: 04:01. Civil Dark: 20:43 - 05:32. Nautical Dark: 21:22 - 04:52. Astro Dark: 22:06 - 04:08

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
6
0
0
0
2
24
15
17
0
4
0
4
44
60
55
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
0
0
2
21
35
35
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
6
0
0
0
1
18
15
17
0
4
0
0
44
47
4
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
0

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 (%)

2
8
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
13

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
1
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)

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

Chance of Frost

Temperature (°C)

3
4
8
11
12
15
16
18
18
18
18
18
17
16
14
12
11
9
8
7
7
7
6
6

Feels Like (°C)

3
4
8
11
12
14
16
17
17
17
17
16
16
16
12
12
11
9
9
7
7
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

69
69
61
51
42
35
29
23
20
19
21
23
31
44
50
56
60
61
63
65
67
69
69
71

Pressure (mb)

1013
1013
1013
1013
1013
1012
1011
1011
1010
1010
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

405
410
412
413
410
413
414
404
399
397
396
399
400
399
396
394
393
394
395
396
396
396
395
396

Sunday 26

Waxing Gibbous 81%

15:14

04:19

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

Sun - Rise: 06:04, Set: 20:12, Transit: 13:08. Moon - Rise: 15:14, Set: 04:19. Civil Dark: 20:44 - 05:30. Nautical Dark: 21:24 - 04:50. Astro Dark: 22:08 - 04:06

Total Clouds (% Sky Obscured)

29
3
4
3
17
0
0
14
0
0
67
47
66
53
33
2
5
14
13
14
17
30
28
49

Low Clouds (% Sky Obscured)

19
2
0
2
0
0
0
0
0
0
2
18
45
45
27
2
0
0
0
0
0
0
7
23

Medium Clouds (% Sky Obscured)

0
0
4
0
0
0
0
0
0
0
55
27
65
26
8
0
4
14
11
12
15
28
21
28

High Clouds (% Sky Obscured)

0
0
0
0
15
0
0
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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 (%)

16
16
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
27

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
1
1
1
3
4
4
4
2
3
10
19
12
4
1
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)

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

Chance of Frost

Temperature (°C)

5
5
7
10
13
14
16
17
19
19
19
19
18
17
14
12
11
10
9
8
7
7
6
6

Feels Like (°C)

4
5
8
12
14
15
17
18
19
20
20
19
17
15
12
11
11
11
9
10
9
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

73
72
66
60
53
47
41
38
34
32
28
27
32
49
50
58
64
71
74
78
81
84
86
88

Pressure (mb)

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

Ozone (du)

394
395
400
402
400
399
400
399
396
395
394
395
394
393
391
389
386
383
381
381
380
378
377
376

Monday 27

Waxing Gibbous 89%

16:24

04:36

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
04 Bad
05 Bad

Sun - Rise: 06:03, Set: 20:13, Transit: 13:08. Moon - Rise: 16:24, Set: 04:36. Civil Dark: 20:45 - 05:29. Nautical Dark: 21:25 - 04:48. Astro Dark: 22:10 - 04:04

Total Clouds (% Sky Obscured)

64
58
80
62
67
82
83
93
91
90
95
93
95
85
84
75
82
87
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
58
80
62
67
82
83
93
91
68
84
88
61
85
81
73
73
85
93
100
100
95
80
80

Medium Clouds (% Sky Obscured)

28
8
7
0
0
0
0
6
2
39
62
57
48
46
37
47
72
79
86
93
96
93
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
8
20
20
25
22
25
25
27
48
50
53
53
65
75
89
92

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 (%)

38
54
10
1
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
1
4
4
2
5
1
13
2
3
3
21
13
2
3
1
3
14
4
6
5
12
6

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

Chance of Frost

Temperature (°C)

6
6
8
10
11
12
14
15
16
18
18
18
17
17
13
11
10
9
9
8
9
8
9
9

Feels Like (°C)

5
4
6
8
9
10
12
12
14
16
16
16
16
16
12
11
9
8
8
7
8
8
8
8

Dew Point (°C)

4
3
4
6
6
6
7
9
10
11
12
12
12
14
11
9
8
7
6
6
6
6
7
7

Relative Humidity (%)

88
83
79
76
72
66
65
69
67
63
66
67
71
82
84
84
84
85
84
82
84
85
88
87

Pressure (mb)

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

Ozone (du)

375
374
372
371
376
388
383
378
375
373
370
369
366
363
362
360
359
357
356
353
351
350
349
347

Tuesday 28

Waxing Gibbous 94%

17:32

04:53

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 OK
22 OK
23 OK
00 OK
01 Bad
02 Bad
03 OK
04 OK
05 OK

Sun - Rise: 06:01, Set: 20:14, Transit: 13:08. Moon - Rise: 17:32, Set: 04:53. Civil Dark: 20:47 - 05:27. Nautical Dark: 21:27 - 04:47. Astro Dark: 22:12 - 04:01

Total Clouds (% Sky Obscured)

100
100
96
81
85
75
83
79
85
69
86
74
73
77
65
43
32
37
42
49
55
46
47
39

Low Clouds (% Sky Obscured)

80
69
45
57
56
61
78
72
74
26
32
44
59
77
65
28
19
21
24
28
27
25
27
23

Medium Clouds (% Sky Obscured)

100
89
88
33
50
13
17
23
22
20
17
8
4
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
94
58
28
1
1
1
1
25
48
76
46
23
2
1
1
2
2
0
1
6
1
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
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
14
19
24
31
24
19
6
5
2
1
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

9
9
9
10
11
12
12
13
14
14
14
14
13
12
11
10
9
8
7
7
6
6
6
6

Feels Like (°C)

8
8
8
9
10
11
12
11
12
12
15
14
13
11
9
8
8
8
7
7
6
6
6
6

Dew Point (°C)

7
7
7
6
5
4
3
4
5
3
1
1
0
2
3
2
2
2
2
2
2
3
3
3

Relative Humidity (%)

88
87
84
77
67
58
51
52
51
48
41
40
40
49
56
58
62
66
69
71
76
79
81
83

Pressure (mb)

1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

346
346
344
342
342
342
341
339
338
337
337
337
336
336
335
334
333
333
332
332
331
332
331
331

Wednesday 29

Waxing Gibbous 98%

18:39

05:11

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

Sun - Rise: 05:58, Set: 20:16, Transit: 13:08. Moon - Rise: 18:39, Set: 05:11. Civil Dark: 20:48 - 05:25. Nautical Dark: 21:29 - 04:45. Astro Dark: 22:14 - 03:59

Total Clouds (% Sky Obscured)

31
20
19
19
18
13
24
20
20
15
15
10
10
15
50
78
100
100
100
100
100
100
100
89

Low Clouds (% Sky Obscured)

17
11
11
9
9
7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
10
15
50
63
62
60
58
60
75
83
96
82

High Clouds (% Sky Obscured)

2
1
1
1
1
1
14
15
15
15
15
10
10
10
40
70
100
100
100
100
100
100
100
84

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)

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

Chance of Frost

Temperature (°C)

6
7
7
9
11
12
14
15
17
17
18
18
17
16
16
14
13
12
11
10
10
9
9
9

Feels Like (°C)

6
7
7
9
11
12
14
13
15
15
16
17
16
16
17
16
15
14
10
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

85
82
74
66
58
54
48
42
41
39
39
40
46
53
61
64
68
72
73
74
76
77
78
78

Pressure (mb)

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

Ozone (du)

331
331
332
331
331
330
330
330
330
329
329
328
328
328
328
328
329
329
330
331
332
335
337
339

Thursday 30

Waxing Gibbous 100%

19:47

05:32

06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 Good
14 OK
15 OK
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

Sun - Rise: 05:57, Set: 20:17, Transit: 13:07. Moon - Rise: 19:47, Set: 05:32. Civil Dark: 20:50 - 05:24. Nautical Dark: 21:30 - 04:43. Astro Dark: 22:16 - 03:57

Total Clouds (% Sky Obscured)

78
66
55
45
35
32
18
7
16
29
41
63
83
100
97
94
91
91
92
93
93
92
92
94

Low Clouds (% Sky Obscured)

1
1
1
1
2
1
2
2
10
17
27
40
49
55
64
72
82
82
81
82
85
87
88
92

Medium Clouds (% Sky Obscured)

68
54
39
25
11
12
10
0
0
0
0
5
10
15
30
40
54
51
49
48
45
43
40
27

High Clouds (% Sky Obscured)

67
56
41
23
4
3
2
0
1
2
3
18
20
30
17
8
0
0
0
0
0
0
0
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
2
4
3
18
21
20
22
28
28
32
36
30
30
29
21
23
21
10
21

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

Chance of Frost

Temperature (°C)

9
10
10
12
14
16
18
19
21
21
22
21
20
17
15
14
13
12
11
11
10
10
10
10

Feels Like (°C)

8
9
9
10
10
11
19
19
19
22
24
25
18
16
15
14
13
12
11
10
10
10
10
10

Dew Point (°C)

6
6
6
6
7
7
8
9
9
12
15
16
15
14
13
12
10
9
9
9
9
9
9
8

Relative Humidity (%)

77
76
73
66
61
56
52
50
47
54
64
73
76
81
86
86
86
86
88
90
91
91
91
91

Pressure (mb)

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

Ozone (du)

344
348
353
356
359
362
363
364
365
371
377
383
395
406
418
419
421
422
420
418
416
417
417
418

Friday 1

Full Moon 100%

20:55

05:57

Sun - Rise: 05:55, Set: 20:18, Transit: 13:07. Moon - Rise: 20:55, Set: 05:57. Civil Dark: 20:51 - 05:22. Nautical Dark: 21:32 - 04:41. Astro Dark: 22:18 - 03:54

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: 25/04/26 06:21:43. Forecast: 25/04/26 to 01/05/26. Timezone: UTC-7.00