Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

18:03

06:07

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: 06:30, Set: 19:16, Transit: 12:54. Moon - Rise: 18:03, Set: 06:07. Civil Dark: 19:45 - 06:01. Nautical Dark: 20:19 - 05:27. Astro Dark: 20:54 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
93
78
73
59
64
46
44
67
74
64
66
74
62
58
64
92
77
89
99
95
67
100
91

Medium Clouds (% Sky Obscured)

97
86
92
88
76
100
100
100
71
99
100
94
88
100
82
74
83
83
95
66
77
64
52
25

High Clouds (% Sky Obscured)

100
92
65
77
100
95
100
100
100
100
79
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
3
0
0
0
0
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
73
14
20
43
57
95
87
95
95
95
95
95
80
93
95
68
95
44
12
27
39
28
11

Precipitation Amount (mm)

1.7
0.2
0
0
0
0
0.3
0.3
1
1.1
0.8
0.8
1
0.4
0.5
0.8
0.2
1.7
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
13
17
19
20
19
18
16
16
15
15
16
16
16
16
16
16
17
17
17
17
18
17

Feels Like (°C)

11
11
11
16
18
19
17
17
15
15
15
15
15
15
15
14
14
15
16
16
16
16
16
15

Dew Point (°C)

11
11
11
15
17
17
17
16
15
14
14
15
14
14
14
14
14
14
16
16
15
15
16
15

Relative Humidity (%)

92
92
87
86
86
82
86
92
95
89
93
95
90
87
85
85
87
89
92
92
88
89
90
89

Pressure (mb)

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

Ozone (du)

345
346
345
343
341
339
339
339
340
342
344
344
344
344
343
344
345
344
344
347
346
346
344
342

Wednesday 1

Full Moon 100%

19:10

06:26

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: 06:28, Set: 19:17, Transit: 12:54. Moon - Rise: 19:10, Set: 06:26. Civil Dark: 19:46 - 05:59. Nautical Dark: 20:20 - 05:25. Astro Dark: 20:56 - 04:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
79
95
100
100
100
99
95
88
87
100
100
95

Low Clouds (% Sky Obscured)

99
72
45
32
23
42
43
42
17
3
4
3
8
30
68
98
100
99
95
88
87
89
83
95

Medium Clouds (% Sky Obscured)

26
7
79
100
100
100
100
100
100
100
100
86
12
9
41
59
58
16
55
65
45
60
50
35

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
91
100
91
49
35
100
100
100
42
36
25
43
100
100
78

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5
6
4
8

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
6
0
0
0
0
0
1
1
1
0
1
1
1
3
9
11
28
32
42
39
47
47
27

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

Chance of Frost

Temperature (°C)

16
15
15
14
12
11
9
8
7
6
5
4
4
3
3
3
3
3
3
3
2
3
3
4

Feels Like (°C)

15
12
12
10
9
8
6
6
4
2
2
1
1
0
0
0
1
1
0
-1
-1
-1
-0
0

Dew Point (°C)

15
12
11
9
7
6
5
5
3
2
2
2
1
1
1
0
1
2
2
1
1
1
2
3

Relative Humidity (%)

92
84
79
75
72
71
74
79
78
78
80
83
85
88
88
82
82
88
89
88
91
91
93
93

Pressure (mb)

1015
1017
1018
1019
1021
1022
1023
1024
1026
1027
1028
1029
1029
1030
1030
1031
1031
1031
1032
1032
1033
1034
1034
1034

Ozone (du)

341
344
346
346
348
350
349
351
351
353
353
355
354
352
349
346
341
340
339
336
335
336
338
339

Thursday 2

Waning Gibbous 99%

20:17

06:47

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: 06:26, Set: 19:18, Transit: 12:53. Moon - Rise: 20:17, Set: 06:47. Civil Dark: 19:47 - 05:58. Nautical Dark: 20:21 - 05:23. Astro Dark: 20:57 - 04:47

Total Clouds (% Sky Obscured)

100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
93
97
93
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
91

Medium Clouds (% Sky Obscured)

73
67
85
72
100
86
57
71
45
37
60
91
39
73
85
98
64
32
35
39
34
30
19
13

High Clouds (% Sky Obscured)

77
59
100
27
19
3
13
97
16
20
25
42
46
55
85
81
89
86
92
39
92
97
100
100

ISS Passover

Visibility (miles)

6
9
8
8
8
8
6
5
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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 (%)

23
5
5
27
25
15
13
3
0
0
1
1
3
9
14
7
1
4
1
1
8
9
5
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
91
93
93
93
94
94
96
98
98
98
98
98
98
100
98
100
100
98
100
98
98
94

Pressure (mb)

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

Ozone (du)

337
336
333
332
332
329
327
326
324
323
324
323
322
321
321
321
320
320
319
321
323
325
326
327

Friday 3

Waning Gibbous 95%

21:23

07:10

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: 06:25, Set: 19:19, Transit: 12:53. Moon - Rise: 21:23, Set: 07:10. Civil Dark: 19:48 - 05:56. Nautical Dark: 20:23 - 05:21. Astro Dark: 20:59 - 04:45

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
89
94
100
94
79
73
76
76
89
91
83
100
100
100
98
96
100

Low Clouds (% Sky Obscured)

90
70
13
4
3
17
5
58
13
94
17
8
9
12
15
17
19
17
15
13
14
14
18
33

Medium Clouds (% Sky Obscured)

5
0
2
60
75
5
9
15
21
32
43
29
13
0
2
4
8
6
4
0
20
41
61
72

High Clouds (% Sky Obscured)

100
100
100
75
100
100
100
87
94
100
94
79
73
76
76
89
91
83
100
100
100
98
96
71

ISS Passover

Visibility (miles)

2
5
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 (%)

8
2
5
5
0
1
7
18
7
18
5
7
6
3
8
9
6
8
12
0
1
2
0
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
10
15
18
19
20
18
17
18
16
16
14
13
13
13
12
10
10
10
8
8
9
10
11

Dew Point (°C)

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

Relative Humidity (%)

95
89
77
67
65
69
76
82
83
82
78
78
79
75
71
70
69
69
72
80
76
65
58
52

Pressure (mb)

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

Ozone (du)

329
331
332
335
339
340
341
340
342
343
343
344
345
341
340
338
336
335
333
332
331
332
332
334

Saturday 4

Waning Gibbous 90%

22:30

07:38

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: 06:23, Set: 19:21, Transit: 12:53. Moon - Rise: 22:30, Set: 07:38. Civil Dark: 19:49 - 05:54. Nautical Dark: 20:24 - 05:19. Astro Dark: 21:00 - 04:43

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
94

Low Clouds (% Sky Obscured)

54
80
75
79
85
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
82

Medium Clouds (% Sky Obscured)

84
100
100
99
100
91
88
64
40
30
24
21
53
7
62
51
35
23
14
11
16
21
28
51

High Clouds (% Sky Obscured)

42
13
23
36
46
29
17
16
21
34
41
40
48
60
74
69
65
65
65
71
79
85
92
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
1
0
0
0
0

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

Precipitation Probability (%)

22
27
52
68
86
68
53
47
56
46
35
23
28
24
22
16
5
5
4
1
25
54
91
95

Precipitation Amount (mm)

0
0
0.2
0.3
0.6
0.3
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.2

Wind Speed/Direction (mph)

4
3
3
3
6
7
11
10
9
9
8
7
7
6
6
6
5
5
5
4
4
5
6
8

Chance of Frost

Temperature (°C)

15
17
17
16
15
15
11
9
7
6
5
4
4
4
4
4
4
4
4
4
5
6
7
8

Feels Like (°C)

13
16
15
14
13
13
7
5
3
2
1
0
1
0
1
1
1
1
1
1
0
3
4
5

Dew Point (°C)

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

Relative Humidity (%)

49
45
45
46
46
49
66
68
73
78
79
82
83
86
91
93
94
96
94
96
96
96
96
98

Pressure (mb)

1022
1021
1021
1021
1020
1019
1021
1021
1022
1022
1022
1021
1020
1019
1018
1020
1019
1017
1017
1016
1015
1014
1012
1011

Ozone (du)

334
331
332
335
336
336
336
333
332
330
328
329
328
329
327
326
326
326
326
327
327
327
327
327

Sunday 5

Waning Gibbous 84%

23:35

08:12

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: 06:21, Set: 19:22, Transit: 12:52. Moon - Rise: 23:35, Set: 08:12. Civil Dark: 19:51 - 05:52. Nautical Dark: 20:25 - 05:17. Astro Dark: 21:02 - 04:41

Total Clouds (% Sky Obscured)

91
88
91
95
98
98
97
98
91
84
77
65
55
42
48
49
60
57
52
47
53
53
53
51

Low Clouds (% Sky Obscured)

71
59
47
36
26
29
32
40
49
58
64
64
55
42
48
49
60
56
51
46
46
44
42
35

Medium Clouds (% Sky Obscured)

74
88
91
95
98
82
63
45
30
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
59
55
71
92
89
89
85
68
69
61
43
24
5
25
49
60
50
30
10
32
53
53
51

ISS Passover

Visibility (miles)

3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
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
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
89
45
39
30
9
15
24
30
66
94
95
95
95
95
95
95
95
94
90
83
63

Precipitation Amount (mm)

1.6
1.5
1
0.5
0
0
0
0
0
0
0
0.2
0.7
0.7
0.8
1.6
1.4
0.9
0.9
1
0.7
0.6
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
9
14
14
15
14
13
12
7
8
7
7
7
7
3
2
1
0
0
0
-2
-3
-3

Dew Point (°C)

10
11
13
13
12
12
10
9
7
7
8
7
6
5
5
4
3
3
0
-1
-3
-4
-5
-6

Relative Humidity (%)

96
95
92
90
87
86
83
83
80
83
84
87
84
81
78
79
81
83
75
69
62
55
49
43

Pressure (mb)

1010
1009
1008
1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1011
1011
1011
1012

Ozone (du)

329
331
333
335
336
337
339
340
341
345
348
351
358
364
371
374
378
381
386
390
394
397
400
403

Monday 6

Waning Gibbous 76%

00:36

08:54

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

Sun - Rise: 06:19, Set: 19:23, Transit: 12:52. Moon - Rise: 00:36, Set: 08:54. Civil Dark: 19:52 - 05:50. Nautical Dark: 20:27 - 05:16. Astro Dark: 21:03 - 04:39

Total Clouds (% Sky Obscured)

40
34
25
15
11
4
3
3
4
5
8
36
64
94
94
96
97
98
99
100

Low Clouds (% Sky Obscured)

24
19
14
7
3
3
3
3
4
4
3
5
7
9
23
37
52
40
28
16

Medium Clouds (% Sky Obscured)

10
10
7
3
0
0
0
0
1
1
2
26
51
75
81
87
92
86
81
75

High Clouds (% Sky Obscured)

40
34
25
15
11
4
3
0
0
0
0
5
19
65
76
60
43
57
71
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

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 (%)

41
2
3
3
0
0
0
0
0
1
1
6
7
4
9
8
2
3
3
0

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)

13
14
14
14
13
13
11
10
8
7
6
5
4
4
5
4
4
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9

Relative Humidity (%)

40
36
33
33
32
33
38
43
50
52
56
60
61
60
60
60
62
62
58
55

Pressure (mb)

1012
1012
1012
1013
1013
1014
1015
1016
1018
1019
1020
1021
1021
1022
1022
1023
1023
1024
1025
1025

Ozone (du)

405
406
408
407
406
405
405
406
407
405
404
402
401
400
399
397
396
395
398
401

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 31/03/26 12:01:18. Forecast: 31/03/26 to 06/04/26. Timezone: UTC-4.00