Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 8%

08:11

23:07

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

Sun - Rise: 06:20, Set: 19:50, Transit: 13:05. Moon - Rise: 08:11, Set: 23:07. Civil Dark: 20:18 - 05:51. Nautical Dark: 20:52 - 05:17. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

100
96
98
74
41
82
6
0
0
0
2
14
62
7
26
97
97
82
94
98
75
77
76
83

Low Clouds (% Sky Obscured)

62
75
96
61
32
82
5
0
0
0
0
1
13
3
1
25
39
67
72
77
75
77
76
83

Medium Clouds (% Sky Obscured)

100
85
34
36
33
0
0
0
0
0
2
14
32
2
22
94
93
40
85
96
50
0
0
0

High Clouds (% Sky Obscured)

35
21
2
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
1
8

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
Light Rain
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
100
0
0
0
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
13
15
16
14
11
7
5
3
3
2
2
3
3
3
4
3
5
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
71
65
60
46
43
40
36
39
44
48
53
59
64
68
77
81
80
79
77
75
74
61
54

Pressure (mb)

1015
1015
1014
1014
1014
1014
1016
1017
1018
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1023
1024
1024
1024

Ozone (du)

323
330
338
342
345
348
351
356
353
352
354
356
360
372
380
382
391
391
397
406
409
408
408
407

Tuesday 21

Waxing Crescent 16%

09:11

00:20

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

Sun - Rise: 06:18, Set: 19:51, Transit: 13:05. Moon - Rise: 09:11, Set: 00:20. Civil Dark: 20:19 - 05:50. Nautical Dark: 20:53 - 05:15. Astro Dark: 21:30 - 04:39

Total Clouds (% Sky Obscured)

51
88
81
79
75
86
5
40
4
5
0
2
3
4
4
0
3
0
0
3
4
4
8
13

Low Clouds (% Sky Obscured)

45
88
80
79
75
79
4
40
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
16
25
24
38
67
0
6
0
2
0
0
0
3
4
0
0
0
0
0
0
0
3
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
0
0
3
0
0
3
2
2
2
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 (%)

2
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)

12
13
14
14
14
13
12
10
6
4
3
3
3
3
3
3
2
1
1
1
1
1
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
36
34
33
33
33
41
45
51
56
59
62
67
69
73
73
73
73
73
66
54
45
40
37

Pressure (mb)

1024
1024
1024
1023
1023
1024
1024
1025
1025
1026
1027
1028
1028
1028
1028
1028
1029
1029
1030
1030
1031
1030
1030
1029

Ozone (du)

409
409
409
410
410
409
415
421
415
410
408
405
404
407
407
407
406
402
393
387
385
386
384
383

Wednesday 22

Waxing Crescent 26%

10:21

01:22

12 Good
13 OK
14 Bad
15 Bad
16 OK
17 OK
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

Sun - Rise: 06:17, Set: 19:52, Transit: 13:05. Moon - Rise: 10:21, Set: 01:22. Civil Dark: 20:20 - 05:48. Nautical Dark: 20:55 - 05:13. Astro Dark: 21:31 - 04:37

Total Clouds (% Sky Obscured)

14
33
88
63
45
31
56
79
73
79
90
77
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
19
3
33
6
3
4
57
51
33
3
62
41
80
75
85
95
75
55
98
100

Medium Clouds (% Sky Obscured)

8
33
82
50
36
31
33
77
70
78
82
71
97
100
100
100
100
100
100
100
96
82
51
25

High Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
0
0
1
1
75
80
73
100
100
100
100
100
100
100
40
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
11
12
2
0
1
2
4
21
91
95
95
56
11
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
2.3
0.8
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
36
37
39
42
44
52
59
59
58
60
61
54
54
59
58
62
61
63
78
88
88
88
87

Pressure (mb)

1028
1027
1026
1025
1023
1023
1022
1022
1022
1022
1022
1022
1021
1020
1019
1018
1017
1016
1016
1017
1017
1017
1016
1016

Ozone (du)

382
382
382
382
379
377
374
374
375
374
374
373
372
374
370
367
365
364
366
368
368
367
366
366

Thursday 23

First Quarter 37%

11:35

02:12

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

Sun - Rise: 06:15, Set: 19:53, Transit: 13:05. Moon - Rise: 11:35, Set: 02:12. Civil Dark: 20:21 - 05:47. Nautical Dark: 20:56 - 05:12. Astro Dark: 21:33 - 04:35

Total Clouds (% Sky Obscured)

95
97
96
96
74
11
28
13
0
19
21
25
27
31
27
25
30
19
11
5
8
12
16
19

Low Clouds (% Sky Obscured)

95
94
95
93
65
11
28
13
0
19
21
25
27
29
23
21
20
15
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
33
36
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
2
3
5
8
12
16
13

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
2
10
16
15
14
21
3
1
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
3
4
5
7
5
4
3
2
2
2
3
3
3
3
3
3
3
2
2
2
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
83
80
78
83
74
81
87
90
93
91
93
91
90
90
88
90
91
90
84
77
66
59

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1015
1015
1016
1016
1016
1016
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

365
364
362
363
364
362
361
359
359
361
362
363
362
361
359
359
360
359
360
361
362
361
360
359

Friday 24

Waxing Gibbous 49%

No Rise

02:50

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

Sun - Rise: 06:14, Set: 19:54, Transit: 13:04. Moon - Rise: No Rise, Set: 02:50. Civil Dark: 20:22 - 05:45. Nautical Dark: 20:57 - 05:10. Astro Dark: 21:34 - 04:33

Total Clouds (% Sky Obscured)

30
35
19
53
14
28
43
62
75
90
97
88
78
45
62
50
47
56
68
81
90
95
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
7
12
8
4
0
0
0
0
0
0
5
12

Medium Clouds (% Sky Obscured)

8
10
5
3
0
5
10
18
20
25
27
25
25
24
26
44
27
25
25
23
20
18
15
19

High Clouds (% Sky Obscured)

18
18
10
44
14
27
43
57
71
82
91
69
47
16
4
3
4
14
18
20
21
25
23
94

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
8
3
0
0
1
0
1
2
3

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

Chance of Frost

Temperature (°C)

19
20
21
22
22
23
22
20
18
17
15
13
13
12
11
11
11
11
11
11
11
14
15
18

Feels Like (°C)

18
18
19
20
19
22
22
22
20
16
13
11
10
9
10
9
8
8
9
9
9
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

54
51
48
47
45
48
55
65
73
78
74
74
77
80
80
72
71
67
66
66
65
63
69
59

Pressure (mb)

1017
1016
1016
1015
1014
1013
1013
1013
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

357
356
356
357
355
354
354
352
352
353
354
353
354
355
356
355
355
356
355
357
358
358
357
356

Saturday 25

Waxing Gibbous 60%

12:48

03:21

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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

Sun - Rise: 06:13, Set: 19:55, Transit: 13:04. Moon - Rise: 12:48, Set: 03:21. Civil Dark: 20:23 - 05:44. Nautical Dark: 20:58 - 05:09. Astro Dark: 21:35 - 04:31

Total Clouds (% Sky Obscured)

100
100
80
60
59
19
67
51
61
70
76
58
51
46
62
80
100
98
97
97
99
100
100
100

Low Clouds (% Sky Obscured)

20
23
20
8
0
0
0
0
3
4
9
14
10
10
22
31
41
53
64
76
74
74
74
87

Medium Clouds (% Sky Obscured)

24
31
18
12
1
13
29
41
48
55
58
54
50
40
56
71
88
87
88
87
87
92
92
86

High Clouds (% Sky Obscured)

100
29
60
60
59
6
67
13
26
41
61
58
51
46
62
80
100
96
87
75
77
77
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
2
3
4

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
4
7
10
12
10
10
9
26
30
34
38
37
31
66
87
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
1
1.1
1.3
1.4
1.3
1.2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
19
20
21
21
21
18
17
16
15
14
13
12
12
11
10
10
10
9
9
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
60
61
62
65
74
78
81
83
84
87
90
90
93
95
98
96
96
98
96
96
96

Pressure (mb)

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

Ozone (du)

356
358
357
358
359
359
359
358
357
356
356
355
356
357
358
358
358
358
357
357
356
358
359
361

Sunday 26

Waxing Gibbous 71%

13:59

03:47

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:11, Set: 19:56, Transit: 13:04. Moon - Rise: 13:59, Set: 03:47. Civil Dark: 20:24 - 05:42. Nautical Dark: 21:00 - 05:07. Astro Dark: 21:37 - 04:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
94
88
80
76
79
81
92
97
100
100
100
100
99

Low Clouds (% Sky Obscured)

88
86
83
63
68
65
63
61
61
62
62
67
73
78
73
70
67
83
97
100
100
100
100
98

Medium Clouds (% Sky Obscured)

81
84
89
93
92
61
30
0
0
30
60
48
31
4
8
13
17
23
30
35
34
33
32
27

High Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
100
100
78
40
5
4
7
11
41
70
100
69
37
6
5

ISS Passover

Visibility (miles)

3
2
1
4
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
82
76
71
58
47
28
35
36
32
29
26
24
22
20
15
20
23
27
26
25
23
19

Precipitation Amount (mm)

0.8
0.7
0.5
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
12
13
13
13
12
11
10
9
9
8
8
8
8
8
8
8
9
10
10

Feels Like (°C)

8
9
9
8
8
9
9
10
9
9
8
8
7
7
6
6
6
6
6
6
6
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
96
96
96
95
95
96
96
98
96
96
98
98
98
98
98
96
96
95
93
93

Pressure (mb)

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

Ozone (du)

362
362
363
363
363
363
363
363
363
363
363
364
363
362
361
363
365
366
367
368
369
368
368
368

Forecast for Mount Wolf, York, United States of America (40.06,-76.70)

Generated: 20/04/26 08:17:01. Forecast: 20/04/26 to 26/04/26. Timezone: UTC-4.00