Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waning Crescent 29%

00:54

14:11

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:30, Set: 16:11, Transit: 11:50. Moon - Rise: 00:54, Set: 14:11. Civil Dark: 16:50 - 06:51. Nautical Dark: 17:32 - 06:09. Astro Dark: 18:13 - 05:28

Total Clouds (% Sky Obscured)

82
86
89
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)

68
86
89
99
98
100
100
100
96
92
93
100
100
100
95
100
100
100
100
92
100
100
100
100

Medium Clouds (% Sky Obscured)

24
52
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

82
86
89
100
100
100
100
100
100
100
100
96
100
56
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
5
9
4
3
3
2
3
3
3
3
2
3
4
5
5
4
3
2
1
1
1

Fog (%)

0
18
75
36
0
0
0
0
74
73
72
55
70
48
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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
Light Rain
Moderate Rain

Precipitation Probability (%)

4
0
5
2
5
10
22
32
32
49
47
55
72
92
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.8
0.9
1.1
1.6
1.7
1.6
1.7
2.4
2.6

Wind Speed/Direction (mph)

5
7
7
6
7
6
6
6
7
9
10
11
11
13
15
16
17
17
17
17
17
17
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
6
7
7
7
7
7
7
7
6
6
5
5
4
3
2
1
1
1
1
1
0
1
-0

Dew Point (°C)

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

Relative Humidity (%)

85
90
93
91
91
91
93
95
95
95
95
93
93
95
91
90
88
88
88
90
91
91
91
91

Pressure (mb)

1008
1008
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

287
287
287
285
286
290
292
291
291
292
292
293
292
290
292
293
294
293
291
288
285
281
279
279

Friday 14

Waning Crescent 21%

02:09

14:19

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:32, Set: 16:10, Transit: 11:50. Moon - Rise: 02:09, Set: 14:19. Civil Dark: 16:48 - 06:53. Nautical Dark: 17:31 - 06:10. Astro Dark: 18:12 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
99
97
97
100
100
97
100
98
100
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
91
86
86
79
86
87
90
79
68
69
75
69
42

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
96
100
88
82
80
38
63
65
2
2
19
6
4
5
2
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
78
77
86
52
60
82
74
60
52
45
34
15

Precipitation Amount (mm)

2.6
2.7
2.6
2.7
2.7
2.8
2
2.2
1.2
0.7
1.3
0.8
0.4
0.5
0.9
0
0
0.7
0.5
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

19
19
18
18
18
17
17
16
17
17
16
15
14
13
12
11
11
10
11
12
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
5
4
5
5
5
5
5
5
5
4
5
5
4
5
5
5
4
4
4
4
3
4

Relative Humidity (%)

91
91
94
94
96
94
94
94
94
93
91
90
90
90
88
88
88
85
81
77
75
74
73
74

Pressure (mb)

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

Ozone (du)

279
281
282
283
282
283
283
282
284
283
282
280
279
278
278
280
281
282
282
282
284
285
284
284

Saturday 15

Waning Crescent 13%

03:23

14:27

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:34, Set: 16:08, Transit: 11:50. Moon - Rise: 03:23, Set: 14:27. Civil Dark: 16:47 - 06:55. Nautical Dark: 17:30 - 06:12. Astro Dark: 18:11 - 05:31

Total Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
100
100
100
99
98
100
99
85
88
87
83
83
86
92
83

Low Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
100
100
100
99
95
100
97
85
88
87
69
72
78
86
75

Medium Clouds (% Sky Obscured)

27
21
12
3
2
0
0
0
0
0
21
29
30
37
30
28
32
30
31
39
37
41
39
26

High Clouds (% Sky Obscured)

4
8
7
5
3
0
1
3
0
0
3
42
74
57
50
40
9
5
2
2
2
2
4
1

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 (%)

12
11
11
9
10
8
9
8
8
7
10
13
26
11
9
5
4
4
5
2
2
2
2
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
3
4
4
4
3
3
3
3
3
2
2
2
2
3
4
4
4
4
2

Dew Point (°C)

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

Relative Humidity (%)

77
79
82
81
75
71
77
79
78
74
71
69
66
66
70
72
72
75
71
67
64
63
65
60

Pressure (mb)

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

Ozone (du)

285
285
286
288
290
290
289
288
289
292
293
295
300
303
302
300
293
289
289
290
287
282
274
267

Sunday 16

Waning Crescent 7%

04:36

14:36

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

Sun - Rise: 07:36, Set: 16:07, Transit: 11:50. Moon - Rise: 04:36, Set: 14:36. Civil Dark: 16:46 - 06:56. Nautical Dark: 17:29 - 06:13. Astro Dark: 18:10 - 05:32

Total Clouds (% Sky Obscured)

74
67
65
52
62
59
52
44
33
31
54
49
47
31
6
46
6
53
68
23
28
27
27
28

Low Clouds (% Sky Obscured)

64
53
52
48
57
50
46
41
33
31
48
38
29
11
2
26
2
35
48
22
24
24
27
28

Medium Clouds (% Sky Obscured)

13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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 (%)

3
0
0
0
0
0
0
0
2
4
10
7
4
2
1
8
0
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
72
74
75
73
70
70
73
76
79
82
82
82
79
76
80
82
79
76
68
66
65
66
71

Pressure (mb)

1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

264
262
261
260
261
264
266
265
265
264
261
260
260
261
263
263
263
262
260
260
261
260
258
254

Monday 17

Waning Crescent 3%

05:51

14:48

16 OK
17 OK
18 Good
19 Good
20 Good
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 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:37, Set: 16:05, Transit: 11:51. Moon - Rise: 05:51, Set: 14:48. Civil Dark: 16:45 - 06:58. Nautical Dark: 17:27 - 06:15. Astro Dark: 18:09 - 05:34

Total Clouds (% Sky Obscured)

25
23
15
11
8
27
36
36
54
70
85
87
86
88
93
96
100
91
82
73
67
67
71
69

Low Clouds (% Sky Obscured)

25
23
15
8
2
1
1
0
0
0
0
4
8
12
62
55
47
53
56
59
58
56
52
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
18
34
51
50
54
52
58
70
81
76
72
65
67
67
71
69

High Clouds (% Sky Obscured)

0
0
0
2
4
27
36
36
27
21
15
15
15
15
53
73
84
71
56
33
17
7
1
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
25
22
11
31
36
36
44
48
51
43

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
0.2
0

Wind Speed/Direction (mph)

5
4
3
3
3
3
3
4
4
4
4
4
5
5
5
4
4
4
4
5
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
81
81
83
81
81
83
81
81
83
83
81
86
86
86
85
88
91
94
94
94
94

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1022
1022
1021
1020
1019
1018
1018
1017
1016
1016
1015
1014
1014

Ozone (du)

256
260
265
266
263
258
263
262
261
263
267
275
280
280
280
278
277
275
275
275
276
279
283
287

Tuesday 18

Waning Crescent 1%

07:07

15:02

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:39, Set: 16:04, Transit: 11:51. Moon - Rise: 07:07, Set: 15:02. Civil Dark: 16:43 - 07:00. Nautical Dark: 17:26 - 06:17. Astro Dark: 18:08 - 05:35

Total Clouds (% Sky Obscured)

73
75
77
75
71
79
85
94
96
97
99
99
100
100
97
95
93
94
96
98
98
99
100
100

Low Clouds (% Sky Obscured)

33
24
31
35
39
36
38
35
55
72
90
92
94
95
90
86
81
84
87
89
85
80
74
76

Medium Clouds (% Sky Obscured)

70
59
43
26
9
10
14
17
22
27
27
29
31
28
34
43
52
49
47
45
54
63
72
84

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
16
30
45
47
60
40
20
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
1
2
3
3
2
1
0
1
2
3
3
3
3
3
3
3
2
1
0
1
1
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

37
36
42
41
36
27
17
8
22
28
33
33
33
27
29
28
26
31
38
46
66
77
83
77

Precipitation Amount (mm)

0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
4
3
3
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
4
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
93
93
91
93
94
96
94
93
93
89
88
86
88
89
89
91
93
96
94
93
89

Pressure (mb)

1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1009
1008
1007
1007
1006
1006
1006
1006
1005
1005
1004
1004
1004
1003

Ozone (du)

286
286
286
288
290
292
297
301
305
307
308
310
318
326
334
333
332
331
329
328
326
322
317
312

Wednesday 19

Waning Crescent 0%

08:22

15:23

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: 07:41, Set: 16:03, Transit: 11:51. Moon - Rise: 08:22, Set: 15:23. Civil Dark: 16:42 - 07:01. Nautical Dark: 17:25 - 06:18. Astro Dark: 18:07 - 05:37

Total Clouds (% Sky Obscured)

100
100
93
86
78
82
84
78
70
66
52
60
60
59
58
57
60
70
77
96

Low Clouds (% Sky Obscured)

80
84
82
79
74
76
80
78
70
66
52
34
28
22
17
13
9
14
24
25

Medium Clouds (% Sky Obscured)

89
98
66
34
2
2
2
3
8
11
10
13
11
13
17
20
26
27
24
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
14

ISS Passover

Visibility (miles)

4
7
9
7
5
3
5
7
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

Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

67
47
39
34
34
32
27
14
19
17
4
7
7
3
10
17
22
23
21
16

Precipitation Amount (mm)

0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
77
77
79
79
76
76
74
74
76
76
76
76
75
73
71
70
63
56

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

312
313
313
315
317
320
315
311
307
306
305
304
299
295
290
286
282
278
276
273

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

Generated: 13/11/25 15:51:27. Forecast: 13/11/25 to 19/11/25. Timezone: UTC+0.00