Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 22

Waxing Crescent 6%

10:38

17:49

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:26, Set: 15:44, Transit: 12:05. Moon - Rise: 10:38, Set: 17:49. Civil Dark: 16:29 - 07:42. Nautical Dark: 17:15 - 06:55. Astro Dark: 17:59 - 06:12

Total Clouds (% Sky Obscured)

91
93
94
96
99
99
100
99
100
100
100
82
96
97
100
99
99
99
93
95
92
98
91
88

Low Clouds (% Sky Obscured)

86
86
94
96
97
93
89
94
93
93
88
75
77
74
70
71
77
94
93
94
89
94
91
88

Medium Clouds (% Sky Obscured)

91
92
94
94
95
86
55
27
50
40
14
8
61
57
95
69
75
82
59
57
25
20
22
29

High Clouds (% Sky Obscured)

91
93
47
58
64
88
99
77
92
84
100
39
60
87
100
95
69
25
20
12
27
41
38
32

ISS Passover

Visibility (miles)

0
0
1
1
1
1
1
9
8
8
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

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

Precipitation Probability (%)

81
55
14
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.3
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
9
8
8
6
5
4
3
5
5
4
2
2
2
1
1
1
2
2
1
3
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
96
96
98
96
94
88
88
87
88
90
91
93
93
93
94
94
94
96
96
96
96

Pressure (mb)

1010
1010
1009
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

353
354
356
359
361
361
361
363
364
367
368
368
365
360
355
351
349
348
346
343
343
340
342
343

Tuesday 23

Waxing Crescent 12%

10:55

19:11

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:27, Set: 15:45, Transit: 12:06. Moon - Rise: 10:55, Set: 19:11. Civil Dark: 16:29 - 07:43. Nautical Dark: 17:16 - 06:56. Astro Dark: 18:00 - 06:12

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
100
99
100
94
100
100
100
86
91
89
96
96
94

Low Clouds (% Sky Obscured)

90
100
100
97
98
100
100
100
100
100
100
100
99
100
94
100
100
100
86
91
89
96
96
94

Medium Clouds (% Sky Obscured)

20
30
86
84
74
72
75
66
49
41
3
1
0
0
0
0
0
2
3
19
26
26
3
9

High Clouds (% Sky Obscured)

61
85
53
48
68
87
61
60
45
45
30
24
23
22
3
5
4
29
40
40
35
31
32
39

ISS Passover

Visibility (miles)

9
7
1
1
1
1
1
2
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
3
1
1
5
0
4
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
98
98
98
96
94
91
91
94
94
96
96
94
88
90
83
83
85
88
91
93

Pressure (mb)

1018
1018
1019
1019
1020
1021
1022
1023
1024
1024
1024
1025
1026
1027
1028
1028
1029
1030
1031
1031
1032
1032
1033
1034

Ozone (du)

341
337
335
336
336
333
331
332
334
331
329
328
326
323
325
326
330
332
331
328
322
316
310
311

Wednesday 24

Waxing Crescent 19%

11:08

20:34

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:27, Set: 15:46, Transit: 12:06. Moon - Rise: 11:08, Set: 20:34. Civil Dark: 16:30 - 07:43. Nautical Dark: 17:17 - 06:56. Astro Dark: 18:00 - 06:12

Total Clouds (% Sky Obscured)

89
87
95
98
90
53
85
100
49
86
69
76
72
84
85
87
84
90
89
88
91
89
86
83

Low Clouds (% Sky Obscured)

88
86
71
80
90
53
84
100
46
86
68
76
72
84
85
87
84
90
89
88
91
89
86
83

Medium Clouds (% Sky Obscured)

27
50
55
75
10
7
5
75
49
80
29
11
4
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
52
88
91
7
15
24
27
18
5
14
3
1
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
91
91
89
89
88
88
88
89
91
86
88
88
88
89
91
89
91
91
91

Pressure (mb)

1034
1034
1035
1036
1036
1037
1038
1038
1039
1039
1038
1038
1039
1039
1039
1039
1040
1040
1040
1040
1040
1039
1039
1039

Ozone (du)

311
310
309
311
313
314
315
316
316
315
314
314
314
314
313
314
313
313
312
312
309
309
309
310

Thursday 25

Waxing Crescent 28%

11:17

21:56

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 OK
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 OK

Sun - Rise: 08:27, Set: 15:46, Transit: 12:07. Moon - Rise: 11:17, Set: 21:56. Civil Dark: 16:31 - 07:43. Nautical Dark: 17:17 - 06:56. Astro Dark: 18:01 - 06:13

Total Clouds (% Sky Obscured)

86
89
92
93
95
96
92
88
86
83
82
80
71
57
45
50
43
41
33
35
40
42
42
38

Low Clouds (% Sky Obscured)

86
89
92
93
94
95
91
87
83
81
80
78
69
57
45
50
43
41
33
35
40
42
42
38

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
0
0
0
0
0
0
0
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
1
0
1
0
0
0
0
1
1
1
0
0
0
0
0
0

Relative Humidity (%)

91
91
91
91
88
85
82
79
79
73
77
73
73
76
83
89
89
91
89
91
91
91
93
93

Pressure (mb)

1039
1039
1039
1038
1038
1038
1038
1038
1038
1037
1037
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

311
311
309
309
310
311
311
312
310
312
312
312
312
312
313
312
311
310
310
309
308
308
309
310

Friday 26

Waxing Crescent 39%

11:25

23:18

03 Bad
04 OK
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 08:28, Set: 15:47, Transit: 12:07. Moon - Rise: 11:25, Set: 23:18. Civil Dark: 16:31 - 07:43. Nautical Dark: 17:18 - 06:57. Astro Dark: 18:02 - 06:13

Total Clouds (% Sky Obscured)

41
37
40
36
36
36
36
34
34
41
43
47
54
59
67
77
78
75
81
85
87
89
93
99

Low Clouds (% Sky Obscured)

41
37
40
36
36
36
36
34
34
41
43
47
54
59
67
77
78
75
81
85
87
89
93
91

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
7
10
7
3
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
4
9
16
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
12
15
9
10
11
9
9
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
93
93
91
91
86
85
85
88
91
93
93
91
93
93
93
93
93
94
93
93

Pressure (mb)

1035
1036
1036
1036
1036
1036
1037
1037
1037
1037
1037
1037
1037
1037
1038
1038
1041
1041
1042
1042
1042
1042
1042
1042

Ozone (du)

310
311
311
313
315
316
316
315
315
316
315
315
315
315
316
317
317
317
318
317
316
315
314
313

Saturday 27

First Quarter 50%

11:33

00:43

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
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

Sun - Rise: 08:28, Set: 15:48, Transit: 12:08. Moon - Rise: 11:33, Set: 00:43. Civil Dark: 16:32 - 07:44. Nautical Dark: 17:19 - 06:57. Astro Dark: 18:03 - 06:13

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
78
57
36
50
63
79
85
88
88
89
90
91
90
89
88
84
80
80

Low Clouds (% Sky Obscured)

94
97
100
99
98
97
78
57
36
50
63
79
83
82
79
83
86
90
89
89
88
81
75
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
53
67
63
51
37
29
15
4
7
11
15
15
32
65
45
23
4
3
2
1
0
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 (%)

8
8
7
7
6
4
3
2
0
2
2
2
4
5
6
6
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
90
86
85
82
81
79
79
79
81
83
85
86
82
78
75
76
79
80
83
86

Pressure (mb)

1042
1043
1043
1043
1043
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1044
1043
1043
1043
1043

Ozone (du)

312
311
310
309
309
310
310
309
309
308
308
308
307
306
305
304
304
304
304
304
303
302
302
302

Sunday 28

Waxing Gibbous 61%

11:42

02:12

Sun - Rise: 08:28, Set: 15:49, Transit: 12:08. Moon - Rise: 11:42, Set: 02:12. Civil Dark: 16:33 - 07:44. Nautical Dark: 17:20 - 06:57. Astro Dark: 18:03 - 06:13

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Richmond, North Yorkshire, United Kingdom (54.40,-1.74)

Generated: 22/12/25 03:43:41. Forecast: 22/12/25 to 28/12/25. Timezone: UTC+0.00