Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 100%

19:12

05:31

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 OK
00 OK
01 OK
02 OK
03 Bad
04 OK
05 OK
06 OK
07 Good

Sun - Rise: 05:58, Set: 19:52, Transit: 12:55. Moon - Rise: 19:12, Set: 05:31. Civil Dark: 20:21 - 05:28. Nautical Dark: 20:56 - 04:53. Astro Dark: 21:34 - 04:14

Total Clouds (% Sky Obscured)

100
97
100
100
77
62
81
82
82
39
46
49
45
54
52
35
29
33
40
44
36
28
21
14

Low Clouds (% Sky Obscured)

77
97
92
87
68
47
66
70
68
24
46
15
24
11
14
21
23
26
31
34
35
24
21
13

Medium Clouds (% Sky Obscured)

11
62
60
2
25
18
16
20
22
15
2
30
33
39
35
19
9
7
16
15
21
13
0
0

High Clouds (% Sky Obscured)

43
69
52
2
0
0
0
0
2
2
6
2
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
5
9
20
17
20
11
16
13
13
35
11
1
0
0
0
3
8
4
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
4
6
8
7
10
10
11
9
9
9
9
9
9
9
9
7
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

11
12
13
14
16
18
18
17
16
17
17
15
14
13
12
11
10
10
9
9
9
8
7
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
87
81
69
61
53
52
55
59
54
52
59
62
66
72
75
73
76
80
76
74
79
81
78

Pressure (mb)

1008
1008
1008
1008
1007
1007
1007
1007
1006
1007
1007
1008
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1014

Ozone (du)

377
376
374
381
384
382
382
379
380
381
378
378
378
376
377
382
383
380
378
376
377
377
376
375

Friday 1

Full Moon 100%

20:16

06:00

08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:56, Set: 19:53, Transit: 12:55. Moon - Rise: 20:16, Set: 06:00. Civil Dark: 20:22 - 05:27. Nautical Dark: 20:57 - 04:51. Astro Dark: 21:36 - 04:13

Total Clouds (% Sky Obscured)

24
40
38
39
25
40
47
29
38
98
78
71
59
66
76
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
16
28
20
16
0
13
19
30
20
28
3
2
1
3
24
60
46
67
71
71
69
63
67

Medium Clouds (% Sky Obscured)

15
11
8
25
6
40
43
15
21
97
75
71
57
20
25
95
63
58
35
82
60
62
62
51

High Clouds (% Sky Obscured)

8
17
2
2
10
2
0
0
0
0
1
0
8
55
58
100
100
100
83
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
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
1
3
8
29
31
29
40
14
25
27
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
10
12
14
14
14
15
16
15
13
14
11
9
8
7
8
8
9
8
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

63
52
43
37
33
30
28
29
30
34
38
50
56
61
65
67
71
71
76
74
78
81
82
87

Pressure (mb)

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

Ozone (du)

375
377
376
380
383
383
381
373
371
366
366
360
356
356
355
352
353
354
354
350
348
345
344
343

Saturday 2

Waning Gibbous 98%

21:19

06:34

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
06 Bad
07 Good

Sun - Rise: 05:55, Set: 19:54, Transit: 12:55. Moon - Rise: 21:19, Set: 06:34. Civil Dark: 20:23 - 05:26. Nautical Dark: 20:59 - 04:50. Astro Dark: 21:37 - 04:11

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
93
100
100
100
100
99
100
100
100
100
84
94
94
91
86
65
38
13

Low Clouds (% Sky Obscured)

65
70
78
82
85
45
45
42
41
45
47
72
52
53
68
67
44
12
8
4
0
1
0
0

Medium Clouds (% Sky Obscured)

87
100
99
100
95
94
91
100
100
100
100
98
100
100
99
100
52
76
67
55
40
28
17
5

High Clouds (% Sky Obscured)

100
100
94
100
40
36
37
100
49
30
25
27
20
15
0
8
53
57
42
21
0
0
0
0

ISS Passover

Visibility (miles)

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

8
16
10
20
17
22
22
26
18
31
30
30
29
27
22
16
6
2
2
2
2
1
1
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
3
3
4
4
4
4
4
3
3
3
3
4
5
5
6
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
83
71
64
57
52
51
49
50
57
71
78
83
85
85
87
88
85
87
88
91
91
82

Pressure (mb)

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

Ozone (du)

344
346
347
347
349
352
355
356
354
350
349
349
349
351
354
359
369
381
384
388
391
392
394
391

Sunday 3

Waning Gibbous 94%

22:19

07:15

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

Sun - Rise: 05:54, Set: 19:55, Transit: 12:55. Moon - Rise: 22:19, Set: 07:15. Civil Dark: 20:24 - 05:25. Nautical Dark: 21:00 - 04:49. Astro Dark: 21:39 - 04:09

Total Clouds (% Sky Obscured)

26
38
49
68
82
88
82
73
59
43
16
18
20
20
25
25
3
0
4
8
13
16
18
27

Low Clouds (% Sky Obscured)

2
4
6
16
21
31
30
24
23
18
7
0
1
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
12
16
18
22
24
24
23
17
13
6
0
0
20
25
8
2
0
4
8
13
16
18
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
0
0
10
10
0
0
0
0
1
1
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
53
44
37
35
33
31
27
27
27
29
33
41
47
52
51
56
58
61
63
66
68
70
69

Pressure (mb)

1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1019

Ozone (du)

389
391
392
389
391
391
392
397
391
387
386
387
387
390
389
390
393
389
386
379
378
379
378
380

Monday 4

Waning Gibbous 89%

23:16

08:03

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

Sun - Rise: 05:53, Set: 19:56, Transit: 12:55. Moon - Rise: 23:16, Set: 08:03. Civil Dark: 20:25 - 05:23. Nautical Dark: 21:01 - 04:47. Astro Dark: 21:40 - 04:08

Total Clouds (% Sky Obscured)

24
28
30
39
39
54
33
98
99
95
97
94
96
95
95
88
81
74
80
84
87
81
72
73

Low Clouds (% Sky Obscured)

0
0
0
9
19
29
20
10
0
6
12
17
12
6
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

24
26
28
35
39
54
33
55
97
71
78
62
68
74
88
88
79
58
56
61
80
56
28
0

High Clouds (% Sky Obscured)

3
1
0
6
7
41
12
88
83
82
52
75
65
57
53
48
45
40
50
60
71
77
72
73

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

Chance of Frost

Temperature (°C)

10
13
15
18
19
19
20
21
20
20
19
17
16
15
15
14
15
15
15
15
15
15
15
16

Feels Like (°C)

8
11
13
15
16
17
18
18
16
16
17
15
13
13
13
13
13
12
12
13
12
12
12
12

Dew Point (°C)

3
4
4
4
4
4
5
4
4
5
6
7
9
9
9
10
10
9
10
10
10
10
10
10

Relative Humidity (%)

59
52
46
40
36
37
36
32
33
37
41
50
62
65
68
74
71
69
69
69
70
71
69
67

Pressure (mb)

1019
1018
1018
1018
1017
1016
1016
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

380
382
381
382
382
378
377
376
375
374
374
373
373
374
375
376
376
375
375
375
376
376
377
378

Tuesday 5

Waning Gibbous 82%

00:06

08:03

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

Sun - Rise: 05:52, Set: 19:57, Transit: 12:55. Moon - Rise: 00:06, Set: 08:03. Civil Dark: 20:26 - 05:22. Nautical Dark: 21:02 - 04:46. Astro Dark: 21:42 - 04:06

Total Clouds (% Sky Obscured)

88
89
89
90
82
66
18
10
1
2
4
5
0
5
10
10
10
20
20
65
80
85
95
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
11
19
33
57
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
20
65
80
85
88
84

High Clouds (% Sky Obscured)

86
88
89
63
26
12
6
0
0
0
0
5
0
5
10
10
10
20
20
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 (%)

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
1
4
7
3
9
10
1

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

Chance of Frost

Temperature (°C)

16
18
20
22
23
24
25
25
24
24
21
19
17
17
16
16
16
16
16
15
15
15
16
16

Feels Like (°C)

12
14
14
16
16
17
18
23
22
21
21
21
21
12
12
13
13
12
12
12
12
12
12
12

Dew Point (°C)

10
11
10
11
11
11
11
12
12
12
12
11
11
11
10
10
10
11
11
11
11
11
11
12

Relative Humidity (%)

66
60
53
48
46
44
41
44
46
49
54
59
66
67
67
68
69
72
73
74
75
76
75
74

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014

Ozone (du)

379
378
378
378
379
380
380
381
382
383
381
379
378
375
372
370
368
366
364
363
362
362
360
359

Wednesday 6

Waning Gibbous 73%

00:49

08:58

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 Good

Sun - Rise: 05:51, Set: 19:58, Transit: 12:55. Moon - Rise: 00:49, Set: 08:58. Civil Dark: 20:27 - 05:21. Nautical Dark: 21:04 - 04:44. Astro Dark: 21:43 - 04:05

Total Clouds (% Sky Obscured)

100
100
96
100
96
97
96
97
100
97
90
75
85
89
86
62
36
11

Low Clouds (% Sky Obscured)

83
74
62
70
68
74
73
68
63
59
54
40
42
39
40
11
3
0

Medium Clouds (% Sky Obscured)

73
62
51
52
58
60
66
63
58
34
29
24
44
56
57
49
29
9

High Clouds (% Sky Obscured)

4
9
45
45
60
30
44
67
98
87
75
62
71
74
55
27
13
4

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
1
0
46
76
95
95
95
95
95
95
95
95
95
79
57
36
0

Precipitation Amount (mm)

0
0
0
0
0.4
0.7
1
1
1.1
0.8
0.6
0.8
0.9
0.9
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
21
20
19
19
19
19
19
18
18
18
16
13
11
10
10

Feels Like (°C)

12
15
16
16
16
17
18
16
15
16
15
15
15
15
15
14
13
12

Dew Point (°C)

12
13
14
14
15
16
17
17
17
18
17
17
17
14
12
9
8
7

Relative Humidity (%)

73
71
69
67
75
81
90
92
92
93
93
92
92
90
89
86
85
84

Pressure (mb)

1014
1014
1013
1013
1012
1011
1010
1010
1009
1009
1009
1009
1008
1009
1009
1010
1010
1010

Ozone (du)

357
358
360
361
363
365
367
367
367
367
365
363
360
361
361
361
361
361

Forecast for Batsto, Burlington, United States of America (39.64,-74.65)

Generated: 30/04/26 08:26:00. Forecast: 30/04/26 to 06/05/26. Timezone: UTC-4.00