Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 94%

18:46

09:59

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

Sun - Rise: 08:19, Set: 16:03, Transit: 12:11. Moon - Rise: 18:46, Set: 09:59. Civil Dark: 16:45 - 07:37. Nautical Dark: 17:29 - 06:53. Astro Dark: 18:12 - 06:10

Total Clouds (% Sky Obscured)

7
5
5
1
0
16
37
42
36
42
40
35
15
4
0
0
0
0
0
0
12
16
23
4

Low Clouds (% Sky Obscured)

0
1
1
1
0
16
37
39
36
42
40
35
15
3
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
6
26
21
1
0
0
0
2
1
0
0
0
0
0
0
8
11
15
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
14
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
3
7
16
1
2
5
4
2
0
2
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
7
8
9
8
8
10
10
11
13
13
12
11
10
8
6
5
6
6
6
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-10
-11
-12
-11
-11
-9
-8
-6
-7
-6
-5
-5
-6
-6
-6
-7
-7
-8
-8
-9
-9
-9
-9

Relative Humidity (%)

69
61
52
48
52
53
63
62
63
57
61
65
64
64
66
68
69
67
65
64
60
59
59
59

Pressure (mb)

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

Ozone (du)

385
391
396
398
393
387
385
386
387
387
389
389
394
394
396
402
403
401
401
398
395
389
384
382

Tuesday 6

Waning Gibbous 90%

20:14

10:14

02 OK
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

Sun - Rise: 08:19, Set: 16:04, Transit: 12:11. Moon - Rise: 20:14, Set: 10:14. Civil Dark: 16:46 - 07:37. Nautical Dark: 17:31 - 06:52. Astro Dark: 18:13 - 06:10

Total Clouds (% Sky Obscured)

27
56
100
89
93
91
99
85
95
76
92
95
100
100
100
100
100
97
94
90
75
76
77
74

Low Clouds (% Sky Obscured)

0
0
83
53
53
50
54
59
56
64
59
40
35
46
45
57
64
82
80
79
62
64
53
74

Medium Clouds (% Sky Obscured)

14
55
99
78
80
85
75
59
87
44
75
90
100
100
100
100
100
91
76
33
41
47
35
4

High Clouds (% Sky Obscured)

27
2
2
1
1
2
86
15
20
5
2
2
44
55
55
55
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
9
9
9
0
2
9
9
9
4
1
3
2
0
0
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
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
4
17
19
15
8
1
2
4
8
2
2
6
5
24
31
40
51
72
86
44
16
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0
0
0

Wind Speed/Direction (mph)

6
6
7
8
6
8
10
11
11
12
13
13
13
12
13
13
13
13
12
13
12
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-6
-6
-5
-4
-1
0
1
1
2
2
1
1
0
1
2
2
2
2
3
2
1
1

Relative Humidity (%)

61
64
71
70
71
77
89
91
88
86
94
93
85
85
85
88
94
93
93
96
96
91
86
88

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1013
1012
1011
1010
1009
1008
1008
1007
1006
1005
1005
1005
1006

Ozone (du)

383
381
380
379
378
374
374
373
368
361
363
365
364
365
367
368
367
369
374
376
377
383
380
375

Wednesday 7

Waning Gibbous 83%

21:36

10:25

02 Bad
03 OK
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
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

Sun - Rise: 08:18, Set: 16:06, Transit: 12:12. Moon - Rise: 21:36, Set: 10:25. Civil Dark: 16:47 - 07:37. Nautical Dark: 17:32 - 06:52. Astro Dark: 18:14 - 06:10

Total Clouds (% Sky Obscured)

77
42
53
56
45
47
44
40
76
79
78
78
84
92
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
41
40
29
5
0
0
0
0
29
0
40
60
67
95
96
91
87
82
77
72
67
62
57

Medium Clouds (% Sky Obscured)

0
8
19
25
25
26
30
37
28
38
57
59
70
75
81
88
100
100
100
100
100
89
100
97

High Clouds (% Sky Obscured)

3
0
1
3
5
3
0
4
72
48
52
50
55
70
100
100
100
100
100
100
100
100
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
4
9
3
0
0

Fog (%)

8
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 (%)

6
1
0
0
0
0
0
0
0
0
0
0
0
10
15
7
5
5
28
28
17
31
12
13

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
79
78
77
80
83
83
81
77
68
62
65
69
72
80
83
83
83
83
89
89
89
96
98

Pressure (mb)

1007
1007
1008
1009
1009
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007

Ozone (du)

370
369
372
371
370
359
346
338
327
320
318
313
307
302
300
305
306
310
312
313
316
317
316
316

Thursday 8

Waning Gibbous 74%

22:54

10:34

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

Sun - Rise: 08:18, Set: 16:07, Transit: 12:12. Moon - Rise: 22:54, Set: 10:34. Civil Dark: 16:48 - 07:36. Nautical Dark: 17:33 - 06:52. Astro Dark: 18:15 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
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)

55
62
70
78
68
45
37
59
63
76
86
94
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
72
88
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
57
35
35
35
40
50
45

ISS Passover

Visibility (miles)

0
8
3
3
9
9
9
9
9
9
9
9
9
4
3
0
0
0
0
0
0
0
0
0

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Frozen rai
Snow
Snow

Precipitation Probability (%)

3
6
11
2
11
15
2
15
20
17
62
93
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.7
1.2
1.5
1.9
2.8
2.8
2.5
2
1.9
1.6
1
0.8
1

Wind Speed/Direction (mph)

6
6
7
8
7
7
6
5
5
5
5
5
6
7
7
7
8
6
6
7
8
10
12
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
91
93
91
89
93
93
91
89
89
89
91
93
94
96
98
100
100
100
100
100
98
100

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1006
1005
1004
1003
1002
1000
998
996
994
991
989
986
983
982
980
979
980

Ozone (du)

316
316
323
327
328
328
328
327
328
329
328
327
328
328
326
329
331
333
333
335
338
345
348
363

Friday 9

Waning Gibbous 64%

00:10

10:43

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 Good
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 Good

Sun - Rise: 08:17, Set: 16:08, Transit: 12:13. Moon - Rise: 00:10, Set: 10:43. Civil Dark: 16:50 - 07:36. Nautical Dark: 17:34 - 06:51. Astro Dark: 18:16 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
72
43
10
22
35
47
46
48
52
54
46
38
26
12

Low Clouds (% Sky Obscured)

100
86
70
54
38
24
9
5
5
5
0
0
0
14
27
44
43
44
45
39
36
30
20
10

Medium Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
72
43
10
22
25
30
29
38
41
34
24
11
7
4

High Clouds (% Sky Obscured)

45
11
43
40
47
61
77
85
92
100
70
40
10
10
14
14
19
16
10
7
4
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
91
70
54
43
36
31
21
7
15
13
3
3
2
0
2
2
1
2
2
0
1
1

Precipitation Amount (mm)

1.2
0.8
0.6
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
20
20
20
21
21
20
19
19
19
19
18
17
16
16
15
15
14
13
13
12
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
100
98
96
93
96
89
89
89
88
86
83
85
85
86
85
85
84
86
84
86
83

Pressure (mb)

981
982
984
985
987
988
990
991
992
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008

Ozone (du)

369
377
378
375
378
381
389
393
397
397
390
393
396
399
400
401
401
399
396
393
393
392
392
388

Saturday 10

Third Quarter 54%

01:25

10:52

02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
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

Sun - Rise: 08:16, Set: 16:10, Transit: 12:13. Moon - Rise: 01:25, Set: 10:52. Civil Dark: 16:51 - 07:35. Nautical Dark: 17:35 - 06:51. Astro Dark: 18:17 - 06:09

Total Clouds (% Sky Obscured)

1
0
0
0
2
4
9
26
46
59
64
67
69
79
90
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
19
28
30
31
32
37
41
45
45
46
44
50
60
69
79
89

Medium Clouds (% Sky Obscured)

0
0
0
0
1
3
4
14
23
30
37
46
51
58
58
68
76
89
100
100
100
100
94
88

High Clouds (% Sky Obscured)

0
0
0
0
2
4
9
18
25
31
38
43
49
66
84
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
1
1
0
0
0
1
1

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
14
25
38
44
38
36
61
79
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
1
1
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
81
84
88
89
91
91
93
96
98
98
96
96
96
98
100
100
98
98
98
98
96
96

Pressure (mb)

1009
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1011
1010
1009
1008
1006
1005
1003
1001
999
997

Ozone (du)

385
381
375
369
363
359
356
352
349
347
344
340
336
331
326
321
315
314
313
313
311
310
309
307

Sunday 11

Waning Crescent 44%

No Rise

11:01

Sun - Rise: 08:16, Set: 16:11, Transit: 12:13. Moon - Rise: No Rise, Set: 11:01. Civil Dark: 16:52 - 07:35. Nautical Dark: 17:37 - 06:50. Astro Dark: 18:19 - 06:08

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

Generated: 05/01/26 02:07:36. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+0.00