Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 12

Waxing Crescent 17%

11:45

No Set

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

Sun - Rise: 07:16, Set: 16:13, Transit: 11:45. Moon - Rise: 11:45, Set: No Set. Civil Dark: 16:50 - 06:39. Nautical Dark: 17:31 - 05:58. Astro Dark: 18:11 - 05:19

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

Medium 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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
2
2
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
77
77
76
76
76
77
78
78
78
78
78
80
77
70
62
57
53
48
47
54
62
71

Pressure (mb)

1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1018
1018
1018
1019
1019

Ozone (du)

246
248
255
258
258
258
259
260
262
264
267
270
271
270
271
274
276
277
278
277
276
276
275
274

Friday 13

Waxing Crescent 25%

12:18

18:40

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

Sun - Rise: 07:18, Set: 16:12, Transit: 11:45. Moon - Rise: 12:18, Set: 18:40. Civil Dark: 16:49 - 06:41. Nautical Dark: 17:30 - 06:00. Astro Dark: 18:10 - 05:20

Total Clouds (% Sky Obscured)

5
4
6
8
19
13
41
58
62
39
24
19
25
25
38
45
48
68
47
55
70
66
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
6
30
14
22
27
25
20
4

Medium 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
0
0

High Clouds (% Sky Obscured)

5
3
5
5
19
13
41
58
62
39
24
18
21
19
30
32
40
40
31
38
68
66
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
17
65
100
95
49
45
22
6
2
1
1
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
76
76
77
75
77
77
77
77
78
80
80
78
74
67
61
59
57
58
63
70
76
79

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1017
1016
1015
1014
1013
1013
1012

Ozone (du)

275
275
272
272
271
269
269
270
270
267
265
263
262
261
264
265
265
264
264
263
263
264
266
266

Saturday 14

Waxing Crescent 33%

12:42

19:48

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
17 Bad

Sun - Rise: 07:20, Set: 16:10, Transit: 11:45. Moon - Rise: 12:42, Set: 19:48. Civil Dark: 16:47 - 06:42. Nautical Dark: 17:28 - 06:01. Astro Dark: 18:09 - 05:22

Total Clouds (% Sky Obscured)

94
100
90
76
52
100
100
100
100
87
100
100
100
100
100
100
100
100
86
85
89
49
35
33

Low Clouds (% Sky Obscured)

4
4
19
32
31
34
46
39
73
58
49
39
61
62
85
81
92
93
74
69
82
49
35
33

Medium Clouds (% Sky Obscured)

10
20
14
76
52
87
70
60
99
50
35
29
100
94
65
95
100
100
17
45
84
8
5
0

High Clouds (% Sky Obscured)

92
100
76
64
50
100
100
100
84
71
100
100
100
100
100
100
100
55
26
13
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
9
9
9
9
9
9
9
3
2
9
9
5
9
9
9

Fog (%)

1
1
1
1
1
1
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
22
22
3
0
0
0
0
15
70
95
95
51
64
91
38
18
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.9
1.4
0
0.3
0.7
0
0
0

Wind Speed/Direction (mph)

7
7
8
8
8
8
8
6
6
7
8
8
9
9
10
12
15
14
14
15
16
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
1
1
1
1
1
1
2
2
4
4
5
5
6
8
9
10
9
8
8
7
7

Relative Humidity (%)

82
83
83
82
80
79
77
76
78
80
83
91
93
91
90
93
95
96
91
83
77
80
81
85

Pressure (mb)

1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1000
1000
999
998
996
994
993
993
992
991
992
992

Ozone (du)

267
267
267
268
269
271
272
276
279
281
284
285
288
288
291
290
289
289
293
297
300
303
305
305

Sunday 15

Waxing Crescent 43%

13:00

21:01

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

Sun - Rise: 07:21, Set: 16:09, Transit: 11:45. Moon - Rise: 13:00, Set: 21:01. Civil Dark: 16:46 - 06:44. Nautical Dark: 17:27 - 06:03. Astro Dark: 18:08 - 05:23

Total Clouds (% Sky Obscured)

24
32
63
69
69
69
79
88
100
100
73
77
92
83
74
60
58
39
31
37
40
54
67
76

Low Clouds (% Sky Obscured)

24
32
53
55
55
52
48
46
49
58
27
31
56
46
24
27
53
39
24
33
40
12
7
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
59
82
100
40
35
35
32
33
29
27
15
0
0
0
1
40
45
55

High Clouds (% Sky Obscured)

0
0
0
0
0
2
35
35
34
0
0
0
0
0
6
0
0
0
7
16
30
49
66
76

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 (%)

15
12
16
9
1
4
2
3
1
3
0
0
0
0
1
2
1
1
0
0
1
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)

15
16
17
19
18
19
19
18
18
17
15
15
14
14
14
13
13
12
12
11
10
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
74
74
75
78
78
76
76
72
75
73
71
73
75
75
70
65
64
63
66
72
72

Pressure (mb)

993
993
994
995
995
996
996
997
997
998
999
1000
1000
1001
1002
1003
1003
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

314
318
329
330
333
337
335
336
336
328
320
318
316
318
319
322
319
309
303
303
299
289
288
289

Monday 16

Waxing Crescent 41%

13:14

22:14

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
17 Bad

Sun - Rise: 07:23, Set: 16:08, Transit: 11:45. Moon - Rise: 13:14, Set: 22:14. Civil Dark: 16:45 - 06:46. Nautical Dark: 17:26 - 06:04. Astro Dark: 18:07 - 05:25

Total Clouds (% Sky Obscured)

85
92
99
99
100
100
100
100
100
100
100
100
100
100
100
98
97
95
96
97
99
99
99
100

Low Clouds (% Sky Obscured)

2
2
19
28
30
29
46
63
81
88
94
100
91
95
100
98
97
95
81
68
54
65
76
85

Medium Clouds (% Sky Obscured)

64
68
76
84
92
100
100
100
25
24
99
100
100
100
100
93
88
82
80
78
76
79
81
82

High Clouds (% Sky Obscured)

85
92
97
99
99
67
100
100
100
100
100
100
99
98
97
75
55
30
43
61
83
87
87
83

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
1
26
51
49
95
80
71
80
93
95
95
95
95
95
95
95
95
92
52
83
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0
0.7
0.4
0.4
0.6
0.6
0.7
0.7
1.3
1.7
2.7
3.1
2.9
1.6
0.5
0.2
0.6
0.9
1.1

Wind Speed/Direction (mph)

5
4
4
4
4
4
5
7
8
10
12
14
16
15
14
14
11
12
16
16
17
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-3
-3
-1
0
2
2
3
5
6
7
8
8
8
7
6
6
6
7
7
7
7

Relative Humidity (%)

69
68
67
68
67
77
82
91
93
96
98
96
98
96
98
98
90
84
77
78
81
83
85
85

Pressure (mb)

1004
1003
1003
1002
1001
1000
999
997
995
993
991
988
985
981
979
976
975
973
972
972
971
970
970
970

Ozone (du)

288
289
285
282
281
282
283
288
285
281
275
273
275
276
276
277
281
286
291
296
302
307
310
314

Tuesday 17

First Quarter 53%

13:27

23:28

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
17 Bad

Sun - Rise: 07:25, Set: 16:06, Transit: 11:46. Moon - Rise: 13:27, Set: 23:28. Civil Dark: 16:44 - 06:47. Nautical Dark: 17:25 - 06:06. Astro Dark: 18:06 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
98
99
100
96
92
87
79
73
68
79
89
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
83
79
80
82
85
81
77
74
70
68
66
58
48
43
45
47
51
53
61
72
76
77
79

Medium Clouds (% Sky Obscured)

67
53
39
41
50
65
73
80
86
76
60
42
30
19
7
17
29
44
50
56
59
62
64
63

High Clouds (% Sky Obscured)

71
68
64
72
82
96
98
99
100
96
92
87
76
65
68
71
87
100
90
78
61
59
62
68

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
82
70
80
81
70
50
31
2
1
0
0
1
1
0
8
11
7
26
33
34
41
41
42

Precipitation Amount (mm)

0.7
0.5
0.3
0.5
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
16
15
17
16
15
14
12
11
10
9
9
8
7
7
6
7
7
8
9
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
90
88
87
83
85
85
83
85
85
86
88
87
87
85
82
81
78
74
72
78
82

Pressure (mb)

969
971
972
974
976
977
979
979
980
980
981
981
981
981
981
981
981
982
982
982
983
983
984
985

Ozone (du)

317
322
326
330
337
343
349
343
337
331
339
347
356
349
343
337
341
345
350
348
347
346
341
336

Wednesday 18

Waxing Gibbous 63%

13:38

00:43

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

Sun - Rise: 07:26, Set: 16:05, Transit: 11:46. Moon - Rise: 13:38, Set: 00:43. Civil Dark: 16:43 - 06:49. Nautical Dark: 17:24 - 06:07. Astro Dark: 18:05 - 05:27

Total Clouds (% Sky Obscured)

100
100
100
85
73
59
52
45
38
47
52
66
62
68
69
68
63
63

Low Clouds (% Sky Obscured)

78
77
76
65
52
44
51
45
38
47
52
66
62
68
69
68
63
63

Medium Clouds (% Sky Obscured)

64
66
68
60
56
49
37
25
10
6
7
4
4
7
8
14
20
24

High Clouds (% Sky Obscured)

47
22
0
0
0
0
0
0
0
1
1
1
5
12
26
20
10
0

ISS Passover

Visibility (miles)

6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

37
32
27
21
14
0
4
4
2
7
10
11
16
16
10
17
19
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
85
83
85
83
85
85
86
85
85
83
83
82
80
79
76
74

Pressure (mb)

986
987
988
989
989
990
991
991
991
991
992
992
992
993
993
994
994
994

Ozone (du)

332
334
337
339
339
339
339
338
337
336
337
337
338
338
339
339
341
342

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 12/11/26 18:01:06. Forecast: 12/11/26 to 18/11/26. Timezone: UTC+0.00