Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 2%

09:34

15:53

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

Sun - Rise: 07:43, Set: 16:00, Transit: 11:51. Moon - Rise: 09:34, Set: 15:53. Civil Dark: 16:40 - 07:03. Nautical Dark: 17:24 - 06:19. Astro Dark: 18:06 - 05:38

Total Clouds (% Sky Obscured)

30
42
55
51
54
60
52
49
53
46
45
57
60
48
9
14
49
100
100
19
4
12
47
44

Low Clouds (% Sky Obscured)

30
42
50
42
49
57
51
49
52
45
45
57
60
46
8
9
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
0
5
7
0
0
0
2
9
7
1
1
1
0
0
9
1
56
38
2
0
0
38
44

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
2
0
3
41
9
14
49
100
100
19
4
10
47
44

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 (%)

3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
76
77
83
81
83
83
83
83
83
83
84
84
84
84
83
80
77
73
67
66
69
74
81

Pressure (mb)

1017
1018
1018
1020
1020
1021
1022
1022
1023
1023
1023
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1025

Ozone (du)

310
313
317
315
311
307
303
301
295
291
288
284
281
280
278
275
275
275
274
273
272
269
267
265

Friday 21

Waxing Crescent 5%

10:37

16:37

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
15 Bad
16 Bad

Sun - Rise: 07:44, Set: 15:59, Transit: 11:52. Moon - Rise: 10:37, Set: 16:37. Civil Dark: 16:39 - 07:04. Nautical Dark: 17:23 - 06:21. Astro Dark: 18:05 - 05:39

Total Clouds (% Sky Obscured)

69
90
66
99
100
100
100
100
100
100
100
100
100
100
93
92
93
86
86
76
87
95
96
98

Low Clouds (% Sky Obscured)

0
0
0
8
13
0
0
0
14
32
50
56
64
90
76
80
82
80
86
76
87
66
47
40

Medium Clouds (% Sky Obscured)

64
78
66
75
100
100
100
100
99
99
100
100
100
99
69
72
73
23
0
0
0
0
70
62

High Clouds (% Sky Obscured)

61
77
61
98
100
100
100
100
100
100
100
100
100
100
4
31
0
3
2
10
31
55
60
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
3
5
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
15

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
3
19
62
95
95
81
50
55
29
16
5
2
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.8
0.7
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
78
78
80
78
76
76
74
74
86
91
89
89
89
91
91
88
85
79
81
85
85
85

Pressure (mb)

1025
1025
1024
1024
1023
1023
1022
1021
1020
1019
1019
1018
1017
1016
1015
1015
1015
1014
1014
1013
1012
1011
1011
1011

Ozone (du)

263
262
260
257
257
255
254
254
254
256
260
262
265
272
279
276
274
272
271
270
269
270
272
269

Saturday 22

Waxing Crescent 10%

11:26

No Set

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
15 Bad
16 Bad

Sun - Rise: 07:46, Set: 15:58, Transit: 11:52. Moon - Rise: 11:26, Set: No Set. Civil Dark: 16:38 - 07:06. Nautical Dark: 17:22 - 06:22. Astro Dark: 18:04 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
94
93
100
100
100
100
100
96
100
93
77
69
60
78
87
98
98
93
97
96
95

Low Clouds (% Sky Obscured)

54
62
62
55
54
48
51
72
83
100
90
100
87
70
59
60
78
87
93
92
88
77
79
86

Medium Clouds (% Sky Obscured)

60
55
96
81
77
100
83
99
100
100
41
47
3
43
0
0
43
60
61
60
69
91
69
47

High Clouds (% Sky Obscured)

91
100
100
63
79
100
100
77
100
50
0
8
0
0
0
0
0
0
0
0
0
1
20
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
8
9
9
9
9
9
9
9
9
6

Fog (%)

1
0
56
100
25
0
22
28
12
0
1
0
4
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
2
6
46
95
91
94
73
62
40
13
14
41
50
43
55
57
61
82

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
88
88
88
89
91
89
86
85
89
90
91
91
90
82
81
76
75
76
79
75
76
80

Pressure (mb)

1010
1010
1009
1008
1008
1007
1005
1004
1003
1001
999
997
996
994
994
993
993
992
992
990
990
989
988
988

Ozone (du)

270
272
270
268
262
262
263
265
266
264
266
267
269
270
271
276
279
280
282
283
286
286
286
286

Sunday 23

Waxing Crescent 17%

12:01

17:36

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
15 Bad
16 Bad

Sun - Rise: 07:48, Set: 15:57, Transit: 11:52. Moon - Rise: 12:01, Set: 17:36. Civil Dark: 16:37 - 07:08. Nautical Dark: 17:22 - 06:24. Astro Dark: 18:03 - 05:42

Total Clouds (% Sky Obscured)

94
95
96
97
94
83
100
100
100
100
92
85
82
80
76
76
72
69
55
50
45
50
61
70

Low Clouds (% Sky Obscured)

91
87
82
79
71
63
73
72
70
69
65
59
54
53
41
58
52
46
40
40
40
40
35
35

Medium Clouds (% Sky Obscured)

29
20
70
92
81
68
72
69
100
81
44
29
29
53
60
34
40
35
35
35
25
27
57
43

High Clouds (% Sky Obscured)

21
0
0
0
2
4
5
33
62
85
50
25
4
8
35
16
35
35
4
6
2
2
2
0

ISS Passover

Visibility (miles)

1
2
6
7
9
9
9
9
2
2
3
9
9
9
9
2
1
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

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

Precipitation Probability (%)

72
51
43
39
53
63
71
66
65
56
44
34
24
19
37
61
40
19
5
5
4
3
17
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
6
6
6
6
5
5
5
5
5
5
5
5
5
4
4
5
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
86
84
82
86
88
86
93
94
91
88
88
86
85
93
94
89
83
78
79
78
76
76

Pressure (mb)

987
987
986
987
987
988
988
988
989
990
990
991
992
993
994
995
995
996
997
998
998
999
999
1000

Ozone (du)

288
292
294
296
296
297
298
300
296
298
301
304
305
304
300
299
301
301
302
304
307
309
311
313

Monday 24

Waxing Crescent 25%

12:26

18:47

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
15 Bad
16 Bad

Sun - Rise: 07:49, Set: 15:56, Transit: 11:53. Moon - Rise: 12:26, Set: 18:47. Civil Dark: 16:36 - 07:09. Nautical Dark: 17:21 - 06:25. Astro Dark: 18:02 - 05:43

Total Clouds (% Sky Obscured)

82
79
77
76
75
76
77
85
92
100
100
99
100
86
79
75
76
77
77
67
61
61
63
63

Low Clouds (% Sky Obscured)

30
45
51
59
54
47
44
48
56
64
63
64
65
79
75
72
72
71
70
65
61
56
58
61

Medium Clouds (% Sky Obscured)

76
72
56
54
70
73
58
70
58
67
67
67
67
28
14
2
3
4
4
3
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
1
1
1
1
1
0
0
1
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
3
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 (%)

7
4
3
5
16
17
6
13
15
11
7
12
7
30
23
18
18
16
13
13
13
10
11
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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
5
4
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
2
2
2
2
2
1
1
1
1
2
2
1
2
2
1
1
1
1
1

Relative Humidity (%)

80
77
76
77
80
82
85
85
86
83
75
76
76
75
75
75
74
74
72
71
71
71
71
72

Pressure (mb)

1001
1001
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1011
1012
1013
1014
1014
1015
1016
1016

Ozone (du)

316
314
307
302
300
296
296
299
298
299
299
302
306
306
306
306
306
306
306
306
304
302
299
295

Tuesday 25

Waxing Crescent 34%

12:43

20:05

17 Bad
18 Bad
19 OK
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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK

Sun - Rise: 07:51, Set: 15:55, Transit: 11:53. Moon - Rise: 12:43, Set: 20:05. Civil Dark: 16:35 - 07:10. Nautical Dark: 17:20 - 06:27. Astro Dark: 18:02 - 05:45

Total Clouds (% Sky Obscured)

56
46
38
32
47
63
77
76
77
80
78
72
71
74
77
78
73
58
52
54
50
56
48
29

Low Clouds (% Sky Obscured)

56
46
38
32
47
60
67
64
63
63
52
46
41
31
20
11
8
5
2
8
10
10
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
3
24
41
60
54
48
46
45
41
35
37
43
49
54
50
56
48
29

High Clouds (% Sky Obscured)

0
1
3
4
20
33
48
47
45
36
26
30
24
30
35
40
40
40
35
35
35
35
27
20

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 (%)

13
14
11
0
2
3
0
2
0
0
2
0
0
0
0
0
0
0
0
5
9
10
8
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
79
80
82
85
85
82
82
83
83
85
85
85
86
82
80
78
78
76
78
75

Pressure (mb)

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

Ozone (du)

291
287
286
284
283
282
281
280
279
278
277
276
275
274
273
273
272
272
272
272
271
270
268
268

Wednesday 26

Waxing Crescent 34%

12:56

21:26

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

Sun - Rise: 07:53, Set: 15:54, Transit: 11:53. Moon - Rise: 12:56, Set: 21:26. Civil Dark: 16:35 - 07:12. Nautical Dark: 17:19 - 06:28. Astro Dark: 18:01 - 05:46

Total Clouds (% Sky Obscured)

15
26
37
51
37
28
35
40
40
50
40
40
40
40
40
35
35
40
15

Low Clouds (% Sky Obscured)

5
4
5
5
9
11
17
24
31
45
40
40
40
40
40
35
35
40
15

Medium Clouds (% Sky Obscured)

15
26
37
51
37
28
35
40
40
50
40
40
40
40
40
35
35
40
15

High Clouds (% Sky Obscured)

14
20
22
30
25
28
35
40
35
30
25
25
25
17
15
12
15
17
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
2
4
1
27
32
31
26
24
23
30
34
39
36
28
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
6
7
7
8
9
10
11
12
11
11
11
10
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
75
76
77
80
83
83
86
86
86
88
88
90
91
91
90
88

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1020
1020
1020
1020
1019

Ozone (du)

267
266
266
266
266
266
266
266
264
263
261
260
259
259
259
259
260
260
260

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

Generated: 20/11/25 16:05:06. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+0.00