Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 66%

02:11

10:01

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

Sun - Rise: 06:35, Set: 19:49, Transit: 13:12. Moon - Rise: 02:11, Set: 10:01. Civil Dark: 20:19 - 06:05. Nautical Dark: 20:56 - 05:28. Astro Dark: 21:34 - 04:49

Total Clouds (% Sky Obscured)

6
26
44
50
82
88
91
99
100
100
53
45
39
3
2
0
0
0
0
14
48
45
27
5

Low Clouds (% Sky Obscured)

0
0
24
36
36
40
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
4
0
0
0
1
1
0
0
0
1
0
0
2
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
26
44
50
81
78
85
99
100
100
49
35
34
2
1
0
0
0
0
14
48
45
20
3

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)

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

Chance of Frost

Temperature (°C)

7
6
5
4
5
5
4
4
5
7
9
12
14
16
17
18
18
18
17
16
13
12
10
10

Feels Like (°C)

5
4
3
2
3
3
3
2
3
5
7
10
12
14
17
18
18
18
18
16
13
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

62
63
63
64
67
68
72
72
66
61
54
50
45
40
34
32
31
32
34
45
50
54
59
62

Pressure (mb)

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

Ozone (du)

330
329
327
328
328
329
332
335
336
336
338
339
342
345
349
354
354
353
350
349
352
355
358
361

Thursday 9

Third Quarter 56%

02:56

11:01

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

Sun - Rise: 06:33, Set: 19:50, Transit: 13:12. Moon - Rise: 02:56, Set: 11:01. Civil Dark: 20:20 - 06:03. Nautical Dark: 20:57 - 05:26. Astro Dark: 21:36 - 04:47

Total Clouds (% Sky Obscured)

5
5
0
0
0
0
0
0
0
0
0
15
5
5
45
49
31
84
100
100
87
97
89
49

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
10
2
3
45
49
31
29
35
66
58
43
70
32

High Clouds (% Sky Obscured)

3
4
0
0
0
0
0
0
0
0
0
2
5
4
19
1
1
76
100
100
72
91
78
25

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)

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

Chance of Frost

Temperature (°C)

9
8
7
7
6
5
5
5
6
9
12
14
16
19
20
21
22
22
21
20
17
16
14
13

Feels Like (°C)

9
8
7
7
6
5
5
5
7
9
11
14
16
18
19
19
20
20
20
18
16
15
13
12

Dew Point (°C)

2
1
1
1
1
1
1
1
1
2
2
2
3
3
3
3
4
4
6
9
7
7
6
5

Relative Humidity (%)

61
60
63
66
71
72
75
76
70
60
52
44
39
35
33
30
30
31
38
48
52
55
57
60

Pressure (mb)

1016
1016
1017
1016
1016
1016
1016
1016
1017
1016
1016
1016
1015
1014
1014
1013
1012
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

362
364
366
368
370
368
365
362
356
352
350
347
346
343
341
342
343
344
344
345
347
348
350
351

Friday 10

Waning Crescent 46%

03:33

12:08

00 Bad
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

Sun - Rise: 06:32, Set: 19:51, Transit: 13:11. Moon - Rise: 03:33, Set: 12:08. Civil Dark: 20:22 - 06:01. Nautical Dark: 20:59 - 05:24. Astro Dark: 21:38 - 04:45

Total Clouds (% Sky Obscured)

94
94
85
84
91
68
53
72
64
69
64
65
96
100
100
100
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
1
4
3
3
2
3
3
4
3
3
3
0
17
4
2
19
25
30
36
41
41
50
97

Medium Clouds (% Sky Obscured)

57
73
64
73
49
34
29
72
64
69
64
59
22
34
35
38
30
30
34
87
100
98
100
99

High Clouds (% Sky Obscured)

86
73
85
50
75
41
7
15
17
20
19
25
86
100
100
100
86
100
100
100
100
100
100
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
5

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
6
0
0
0
0
2
4
6
11
29
35
34
70
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
9
11
9
9
9
9
10
12
14
16
18
18
18
18
17
18
16
16
14
14
13
13

Dew Point (°C)

5
5
5
6
6
6
5
5
5
7
7
8
7
7
7
6
6
6
5
8
8
8
9
11

Relative Humidity (%)

62
64
67
72
72
73
74
74
69
65
58
52
47
45
43
43
43
43
45
58
65
68
74
90

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1010
1011
1010
1010
1010
1009
1008
1008
1007
1006
1005
1005
1005
1004
1005
1005
1005

Ozone (du)

352
353
352
353
353
352
351
349
345
343
342
340
339
340
340
341
341
339
337
337
338
337
338
337

Saturday 11

Waning Crescent 36%

04:02

13:18

00 Bad
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

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
100
100
100
99
99
98
99
99
90
89
98
100
100
98
81
99

Low Clouds (% Sky Obscured)

100
98
69
99
98
95
91
87
85
84
85
85
88
87
65
68
46
43
48
45
44
37
36
41

Medium Clouds (% Sky Obscured)

99
98
76
67
100
96
93
87
92
96
100
99
29
64
26
32
37
41
49
50
51
58
62
59

High Clouds (% Sky Obscured)

100
100
99
98
97
98
99
100
100
100
100
75
53
30
50
75
83
84
98
100
100
98
81
74

ISS Passover

Visibility (miles)

7
8
9
9
8
5
2
2
2
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

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

Precipitation Probability (%)

86
84
71
77
93
95
95
95
95
47
26
26
13
18
14
17
21
44
57
73
68
65
65
52

Precipitation Amount (mm)

0.7
0.7
0.4
0.4
0.6
1.3
2.2
1.3
1.2
0
0
0
0
0
0
0
0
0
0.2
0.6
0.4
0.4
0.6
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
93
93
95
95
95
93
93
92
92
86
80
73
66
63
64
69
77
80
83
82

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1004
1004
1005
1005

Ozone (du)

333
333
333
331
333
335
335
335
335
337
338
339
339
338
339
342
344
343
342
341
341
342
347
355

Sunday 12

Waning Crescent 26%

04:26

14:29

00 Bad
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

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
100
99
99
99
100
100
99
98
97
96
92
89
84
81
77
76
75
76
73
74
75
83

Low Clouds (% Sky Obscured)

42
65
96
95
94
91
91
90
92
93
94
89
84
79
77
75
75
72
72
72
69
67
65
64

Medium Clouds (% Sky Obscured)

59
91
99
32
30
28
28
29
28
22
21
49
39
35
34
28
24
25
23
21
16
11
6
4

High Clouds (% Sky Obscured)

50
25
33
47
60
47
33
15
15
20
20
8
6
8
6
4
3
2
2
1
1
1
1
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 (%)

39
32
31
40
38
44
39
40
34
30
32
42
42
40
42
35
26
33
32
22
28
27
25
32

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

Chance of Frost

Temperature (°C)

10
10
10
10
9
9
9
9
9
9
10
10
10
10
11
11
12
12
11
10
9
8
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
87
87
87
88
88
88
85
84
82
81
80
81
81
83
83
83
82
84
84
86

Pressure (mb)

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

Ozone (du)

361
362
370
376
379
383
385
384
383
385
386
385
387
388
389
389
388
387
381
374
368
367
367
366

Monday 13

Waning Crescent 18%

04:47

15:42

00 Bad
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

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)

83
83
87
93
96
97
99
100
94
90
84
86
91
97
97
98
98
96
96
94
86
77
69
77

Low Clouds (% Sky Obscured)

67
67
75
83
89
91
92
93
77
61
45
53
64
77
71
66
62
70
78
84
69
52
33
37

Medium Clouds (% Sky Obscured)

3
1
13
25
34
39
45
50
56
36
24
33
38
29
21
12
8
6
1
0
0
0
1
6

High Clouds (% Sky Obscured)

4
4
3
2
1
4
7
10
24
39
56
51
49
47
38
29
20
27
32
37
34
29
29
38

ISS Passover

Visibility (miles)

9
8
8
8
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 (%)

33
28
32
33
28
29
33
32
29
28
23
22
20
13
16
15
15
14
13
11
9
6
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
5
4
4
3
4
4
4
4
4
8
9
9
9
9
9
10
11
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

86
86
88
88
89
89
88
86
85
72
61
50
49
48
46
46
45
44
52
60
71
72
74
75

Pressure (mb)

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

Ozone (du)

368
370
373
378
383
389
388
386
385
381
377
373
372
370
369
370
372
374
372
371
369
367
365
363

Tuesday 14

Waning Crescent 10%

05:06

16:56

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)

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: 08/04/26 00:38:31. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-7.00