Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 54%

12:21

04:02

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

Sun - Rise: 07:00, Set: 19:31, Transit: 13:16. Moon - Rise: 12:21, Set: 04:02. Civil Dark: 20:00 - 06:30. Nautical Dark: 20:35 - 05:55. Astro Dark: 21:12 - 05:18

Total Clouds (% Sky Obscured)

76
80
83
29
24
7
6
16
18
23
29
33
33
38
39
42
41
31
26
22
26
15
2
0

Low Clouds (% Sky Obscured)

74
75
67
29
24
4
3
16
18
23
29
33
33
37
38
41
37
30
26
22
26
15
2
0

Medium Clouds (% Sky Obscured)

76
80
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

9
9
7
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
29
38
48
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

62
48
53
21
20
8
3
2
1
1
2
2
2
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0
0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
3
5
4
3
2
1
1
1
0
-1
-1
-1
-1
-1
-0
3
6
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

66
52
59
64
58
63
69
72
73
74
75
77
78
78
81
81
84
78
70
61
52
45
39
37

Pressure (mb)

1023
1023
1024
1025
1026
1027
1028
1029
1029
1030
1031
1032
1032
1033
1033
1034
1034
1035
1035
1036
1035
1035
1034
1034

Ozone (du)

304
303
305
304
305
314
319
324
324
325
324
327
336
340
345
348
342
341
343
341
337
336
335
333

Thursday 26

Waxing Gibbous 65%

13:39

04:42

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

Sun - Rise: 06:58, Set: 19:32, Transit: 13:15. Moon - Rise: 13:39, Set: 04:42. Civil Dark: 20:01 - 06:28. Nautical Dark: 20:37 - 05:53. Astro Dark: 21:13 - 05:16

Total Clouds (% Sky Obscured)

0
0
0
0
5
2
13
7
50
40
25
22
32
35
40
35
35
36
35
35
40
39
35
35

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)

0
0
0
0
3
2
13
0
0
0
0
0
0
0
29
30
35
36
35
35
40
39
35
35

High Clouds (% Sky Obscured)

0
0
0
0
3
0
0
6
50
40
25
22
32
35
40
35
30
26
25
25
25
30
24
24

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)

6
6
7
7
6
7
6
5
4
4
4
4
4
4
4
4
4
4
5
5
6
7
7
7

Chance of Frost

Temperature (°C)

11
11
11
11
10
8
7
6
5
4
4
3
3
2
2
2
2
3
6
8
11
13
14
15

Feels Like (°C)

10
10
9
9
8
7
5
5
4
1
1
1
1
-1
-0
-1
-1
-0
3
5
7
9
11
12

Dew Point (°C)

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

Relative Humidity (%)

36
37
38
41
48
55
57
61
66
68
71
75
76
76
77
77
77
72
64
56
49
43
40
37

Pressure (mb)

1033
1032
1032
1031
1031
1031
1031
1030
1030
1029
1029
1028
1028
1027
1026
1026
1025
1025
1024
1024
1023
1022
1021
1021

Ozone (du)

332
332
329
329
330
331
330
329
330
329
329
328
328
326
324
327
330
330
331
333
333
333
333
331

Friday 27

Waxing Gibbous 76%

14:57

05:12

15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
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

Sun - Rise: 06:56, Set: 19:33, Transit: 13:15. Moon - Rise: 14:57, 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)

30
35
30
28
26
27
31
31
59
87
60
84
83
88
94
89
79
80
57
67
68
76
81
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
31
33
32
33
2
12

Medium Clouds (% Sky Obscured)

30
35
30
28
26
25
31
31
34
45
60
84
83
88
83
73
75
80
57
67
68
64
56
65

High Clouds (% Sky Obscured)

19
8
19
9
15
17
19
16
49
72
15
16
22
32
37
29
8
13
2
4
11
45
52
42

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)

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

Chance of Frost

Temperature (°C)

16
16
16
15
13
11
10
8
7
6
5
5
5
5
5
5
4
5
7
9
11
12
13
14

Feels Like (°C)

13
13
13
12
10
8
7
6
4
4
3
2
3
2
3
3
2
3
5
7
9
9
10
12

Dew Point (°C)

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

Relative Humidity (%)

36
37
40
48
56
58
60
61
62
64
67
68
71
71
72
72
73
71
62
54
48
41
37
34

Pressure (mb)

1020
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1020
1020
1020

Ozone (du)

329
327
326
325
323
323
324
325
326
329
329
329
331
334
334
335
337
336
339
342
345
348
350
349

Saturday 28

Waxing Gibbous 85%

14:57

05:35

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
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

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)

86
68
66
67
45
69
65
68
56
76
89
85
95
98
95
90
84
80
81
80
83
81
82
90

Low Clouds (% Sky Obscured)

3
3
4
6
30
57
40
31
6
4
3
3
6
3
3
53
65
58
65
50
59
49
43
45

Medium Clouds (% Sky Obscured)

21
18
13
14
16
69
14
18
12
17
19
26
30
30
25
87
78
80
81
46
31
37
40
79

High Clouds (% Sky Obscured)

29
10
15
30
8
24
30
41
43
59
70
73
87
95
73
52
30
20
9
9
9
23
32
66

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

Chance of Frost

Temperature (°C)

14
15
15
13
11
10
9
8
7
6
5
5
5
4
4
4
4
5
7
8
10
12
13
15

Feels Like (°C)

12
13
14
12
10
9
6
6
5
6
4
3
3
2
2
2
2
3
5
6
8
10
11
13

Dew Point (°C)

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

Relative Humidity (%)

34
35
37
41
53
58
58
61
63
65
65
66
68
68
69
68
68
65
60
56
51
52
47
43

Pressure (mb)

1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1016
1016

Ozone (du)

348
350
350
348
351
351
352
352
350
350
350
352
352
352
354
354
356
357
355
356
357
358
357
361

Sunday 29

Waxing Gibbous 92%

16:12

05:55

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:52, Set: 19:36, Transit: 13:14. 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)

95
100
100
100
100
99
98
77
98
99
100
100
100
100
96
92
88
93
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
3
3
3
3
7
11
15
20
19
29
26
56
70
66
65
65
65
70
74
83
87
93
93

Medium Clouds (% Sky Obscured)

62
21
64
85
97
94
97
44
27
33
34
52
100
100
96
92
88
93
97
100
100
100
100
100

High Clouds (% Sky Obscured)

84
100
100
100
94
80
65
30
66
83
100
100
100
100
72
42
12
42
71
100
100
100
100
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
4
5
5
2
3
2
1
1
2
1
9
13
27
53
64
71
81
86
86
83
83
79
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.5
0.5
0.5
0.5
0.4

Wind Speed/Direction (mph)

3
3
3
3
3
4
3
3
3
3
3
3
3
3
4
3
3
3
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
42
42
46
55
58
60
61
68
71
73
73
71
68
66
74
81
90
91
91
93
93
91
90

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1012
1012
1011

Ozone (du)

362
362
362
361
357
356
357
358
361
366
367
369
369
369
373
374
375
375
374
373
372
373
374
375

Monday 30

Waxing Gibbous 97%

17:24

06:12

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
84

Low Clouds (% Sky Obscured)

95
95
94
93
92
91
90
90
89
90
91
93
93
94
84
75
65
69
70
74
69
64
62
57

Medium Clouds (% Sky Obscured)

100
100
97
95
92
91
88
86
90
95
97
93
88
84
86
90
94
96
96
99
99
98
97
81

High Clouds (% Sky Obscured)

80
68
80
90
100
91
84
79
71
58
25
17
13
14
28
44
50
66
79
92
84
77
70
27

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

69
65
67
65
62
71
83
95
94
89
81
76
71
64
70
73
72
65
56
39
36
29
18
15

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0.2
0.3
0.5
0.8
0.7
0.6
0.4
0.4
0.3
0.3
0.4
0.4
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
95
94
94
96
94
93
94
93
93
94
94
94
94
94
94
94
86
81
74
62
51
42

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1010
1010

Ozone (du)

377
379
381
385
390
395
396
397
399
397
396
395
395
394
394
394
393
393
394
394
394
397
400
403

Tuesday 31

Waxing Gibbous 99%

18:34

06:29

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

71
57
41
25
11
30
51
71
83
90
97
98
99
100
100
100
100
97
95
95

Low Clouds (% Sky Obscured)

50
37
25
15
9
23
38
58
70
82
94
70
52
31
44
62
81
79
73
68

Medium Clouds (% Sky Obscured)

62
44
29
14
0
0
0
0
1
1
2
34
67
98
90
83
73
55
34
15

High Clouds (% Sky Obscured)

8
0
0
0
1
7
12
18
32
46
60
66
77
75
65
53
48
57
69
76

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
37
35
43
52
64
68
73
77
78
78
78
81
81
83
81
77
75
68
61

Pressure (mb)

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

Ozone (du)

401
400
399
399
399
399
400
400
400
404
408
412
411
410
409
409
410
410
408
405

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

Generated: 25/03/26 15:36:55. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-7.00