Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 85%

00:32

07:24

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

Sun - Rise: 06:25, Set: 19:48, Transit: 13:08. Moon - Rise: 00:32, Set: 07:24. Civil Dark: 20:24 - 05:49. Nautical Dark: 21:08 - 05:05. Astro Dark: 21:57 - 04:16

Total Clouds (% Sky Obscured)

72
53
47
62
61
10
13
67
81
76
5
15
25
22
18
62
32
100
89
72
66
39
14
32

Low Clouds (% Sky Obscured)

39
34
36
29
1
1
5
30
23
0
0
0
20
3
0
0
0
0
0
0
0
0
10
30

Medium Clouds (% Sky Obscured)

0
0
0
0
34
0
0
0
5
0
0
0
1
0
1
9
13
100
53
71
66
39
5
7

High Clouds (% Sky Obscured)

0
0
0
62
40
10
13
67
51
71
5
15
25
22
18
62
32
100
84
60
48
30
6
8

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 (%)

85
9
2
4
2
2
1
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)

18
18
19
19
18
16
14
13
10
8
6
5
5
5
5
5
5
4
4
4
4
5
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
3
2
2
2
2
1
1
1
0
0
-1
-1
-1
-0
0
-1
-0
1
3
4
7

Dew Point (°C)

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

Relative Humidity (%)

61
56
49
42
46
49
52
57
59
65
68
73
77
80
80
83
83
82
82
82
76
67
60
53

Pressure (mb)

1013
1015
1015
1016
1017
1018
1019
1020
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026

Ozone (du)

397
399
400
398
394
390
391
392
393
392
390
387
382
380
379
376
373
370
369
369
370
372
371
371

Monday 6

Waning Gibbous 77%

01:43

07:57

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

Sun - Rise: 06:23, Set: 19:50, Transit: 13:08. Moon - Rise: 01:43, Set: 07:57. Civil Dark: 20:26 - 05:47. Nautical Dark: 21:10 - 05:02. Astro Dark: 21:59 - 04:13

Total Clouds (% Sky Obscured)

51
48
60
53
71
90
78
65
65
43
18
1
1
1
8
96
36
24
51
14
10
0
1
4

Low Clouds (% Sky Obscured)

27
21
4
36
46
39
52
50
17
40
0
0
0
0
0
0
0
13
29
14
9
0
0
0

Medium Clouds (% Sky Obscured)

5
2
9
3
12
5
39
19
21
1
0
1
0
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
48
27
47
40
80
27
7
42
7
16
1
1
1
7
57
20
8
16
2
3
0
1
4

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
1
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)

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

Chance of Frost

Temperature (°C)

10
11
12
12
12
12
12
11
9
8
7
7
6
5
5
5
4
4
3
3
5
6
9
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
45
45
46
51
56
64
70
74
78
79
82
86
88
89
86
85
83
85
79
70
63
58

Pressure (mb)

1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

370
370
368
368
369
371
372
371
369
368
368
369
371
369
367
366
366
364
365
363
363
363
362
360

Tuesday 7

Waning Gibbous 69%

02:43

08:43

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

Sun - Rise: 06:20, Set: 19:52, Transit: 13:07. Moon - Rise: 02:43, Set: 08:43. Civil Dark: 20:28 - 05:44. Nautical Dark: 21:12 - 05:00. Astro Dark: 22:02 - 04:10

Total Clouds (% Sky Obscured)

0
1
24
40
45
45
69
88
65
71
68
40
52
99
85
82
83
80
69
53
36
24
35
41

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
4
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
19
24
25
33
30
10
23
55
44
82
82
78
69
51
30
19
18
6

High Clouds (% Sky Obscured)

0
1
13
25
27
28
58
61
65
50
50
40
52
93
50
50
53
29
37
35
34
24
14
21

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
1
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)

13
14
14
14
14
13
12
10
9
8
7
6
5
4
4
3
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
12
12
13
12
12
10
10
8
7
6
5
4
4
4
3
3
2
3
5
6
8
10

Dew Point (°C)

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

Relative Humidity (%)

54
50
50
50
51
53
58
64
70
73
76
75
77
76
74
75
75
75
78
78
73
63
57
54

Pressure (mb)

1023
1023
1023
1022
1022
1021
1021
1022
1023
1024
1024
1024
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

357
355
355
357
358
357
357
357
355
354
355
355
354
352
353
355
356
356
358
360
363
362
363
364

Wednesday 8

Waning Gibbous 59%

03:30

09:43

12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
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: 06:18, Set: 19:54, Transit: 13:07. Moon - Rise: 03:30, Set: 09:43. Civil Dark: 20:30 - 05:42. Nautical Dark: 21:15 - 04:57. Astro Dark: 22:05 - 04:06

Total Clouds (% Sky Obscured)

49
59
55
54
45
33
33
46
56
64
55
71
91
95
97
100
100
100
100
100
100
100
91
90

Low Clouds (% Sky Obscured)

12
20
27
33
35
33
33
30
27
23
26
30
34
29
30
24
19
8
2
22
52
80
76
58

Medium Clouds (% Sky Obscured)

7
5
3
0
0
0
0
1
2
2
0
0
0
15
30
55
59
62
60
74
91
69
42
53

High Clouds (% Sky Obscured)

20
19
13
8
2
0
0
23
45
64
54
60
70
81
90
100
100
100
100
100
100
100
64
57

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
4
4
0
3
0
0
0
0
0
0
1
2
16
17
13
25
22

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
5
6
8
9
9
8
6
5
5
4
4
4
4
4
4
4
4
4
4
4
6
8
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
14
14
15
16
17
15
14
13
11
10
9
8
7
7
6
7
7
8
9
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

51
49
49
49
51
55
62
69
80
84
87
88
88
87
85
84
84
82
84
84
84
80
75
71

Pressure (mb)

1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1023
1023

Ozone (du)

365
366
366
367
369
372
373
374
374
374
374
376
378
379
379
381
381
382
383
384
385
384
385
381

Thursday 9

Waning Gibbous 50%

04:02

10:55

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 06:16, Set: 19:56, Transit: 13:07. Moon - Rise: 04:02, Set: 10:55. Civil Dark: 20:32 - 05:39. Nautical Dark: 21:17 - 04:54. Astro Dark: 22:07 - 04:03

Total Clouds (% Sky Obscured)

85
77
70
63
53
46
39
44
50
51
68
81
100
100
100
100
100
100
100
100
100
100
91
82

Low Clouds (% Sky Obscured)

28
25
27
29
23
15
6
8
10
13
22
32
41
32
21
10
10
11
11
7
4
0
3
5

Medium Clouds (% Sky Obscured)

24
64
38
39
53
46
38
22
10
7
20
33
45
52
58
65
70
75
71
70
60
54
50
45

High Clouds (% Sky Obscured)

40
50
45
45
45
40
35
27
25
23
48
74
100
100
100
100
78
59
38
64
83
100
91
82

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 (%)

17
29
15
2
21
6
1
14
4
0
0
0
0
0
0
0
0
0
0
0
0
0
10
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
53
56
62
63
65
71
76
84
82
84
84
87
86
88
90
91
91
91
93
81
69
60
57

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

378
376
375
373
372
368
365
362
360
359
359
357
356
356
355
354
353
354
355
355
355
355
355
356

Friday 10

Third Quarter 40%

04:25

No Set

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: 06:13, Set: 19:57, Transit: 13:07. Moon - Rise: 04:25, Set: No Set. Civil Dark: 20:34 - 05:37. Nautical Dark: 21:19 - 04:51. Astro Dark: 22:10 - 04:00

Total Clouds (% Sky Obscured)

73
67
74
79
86
89
93
94
96
96
97
97
100
100
100
100
93
87
81
84
87
91
93
96

Low Clouds (% Sky Obscured)

8
11
14
17
22
28
33
23
12
1
3
5
8
4
9
5
10
10
10
10
10
5
25
49

Medium Clouds (% Sky Obscured)

45
42
38
35
16
13
13
30
47
61
72
80
89
84
81
76
76
75
79
83
87
91
92
91

High Clouds (% Sky Obscured)

73
67
56
42
53
60
70
77
84
93
96
97
100
100
99
99
73
49
29
32
33
35
54
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
4
3
2
2

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 (%)

25
24
15
0
0
1
1
3
3
0
1
2
1
7
13
14
27
36
41
52
68
88
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
14
13
12
13
14
15
12
12
13
12
12
11
8
7
7
7
7
7
5
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

54
52
53
52
51
56
61
67
71
76
81
81
78
77
76
74
74
78
81
85
90
91
96
96

Pressure (mb)

1020
1019
1019
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

356
357
357
358
358
359
360
361
364
368
371
371
371
372
370
368
366
364
361
358
357
355
354
353

Saturday 11

Waning Crescent 30%

04:42

12:13

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

Sun - Rise: 06:11, Set: 19:59, Transit: 13:06. Moon - Rise: 04:42, Set: 12:13. Civil Dark: 20:36 - 05:34. Nautical Dark: 21:21 - 04:48. Astro Dark: 22:13 - 03:56

Total Clouds (% Sky Obscured)

98
98
98
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
81
88
95
97
98
100
96
93
89
92
93
95
96
98
100
100
100
100

Medium Clouds (% Sky Obscured)

92
93
94
95
94
93
92
93
95
96
97
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

70
60
50
45
29
16
12
30
50
71
63
56
60
74
83
92
85
81
82

ISS Passover

Visibility (miles)

3
3
3
3
3
3
2
2
1
1
0
0
0
0
3
6
9
9
9

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
95
88
87
83
58
69
82
95
95
95
95
95
87
86

Precipitation Amount (mm)

1.3
1.2
1
0.9
0.8
0.7
0.4
0.4
0.5
0
0.3
0.5
0.7
0.8
0.8
1.1
0.7
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
94
96
96
96
96
96
96
94
93
91
91
91

Pressure (mb)

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

Ozone (du)

352
352
352
353
354
355
356
358
356
355
354
351
348
346
347
348
349
351
353

Forecast for Sheffield, Sheffield, United Kingdom (53.38,-1.47)

Generated: 05/04/26 12:02:33. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+1.00