Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 8

Waning Gibbous 63%

00:48

09:47

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:04, Set: 17:31, Transit: 12:47. Moon - Rise: 00:48, Set: 09:47. Civil Dark: 18:08 - 07:27. Nautical Dark: 18:49 - 06:46. Astro Dark: 19:29 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
95
99
97
92
93
99
98
99
97
92
88

Low Clouds (% Sky Obscured)

87
78
84
85
92
96
100
100
100
100
100
100
100
90
97
95
84
87
98
96
99
97
92
88

Medium Clouds (% Sky Obscured)

100
100
93
100
100
97
86
74
45
36
14
29
14
18
14
8
4
4
6
5
1
4
9
9

High Clouds (% Sky Obscured)

24
31
13
20
44
35
35
26
5
5
8
2
2
2
2
13
13
8
2
4
3
2
2
2

ISS Passover

Visibility (miles)

4
1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
97
97
99
100
100
100
100
100
100
99
95
55
5
1
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
1
0
1
1
0
5
2
1
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)

9
9
9
9
9
10
10
10
10
10
10
11
11
11
11
11
11
11
11
12
11
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
96
96
94
96
94
94
93
91
88
86
86
86
89
94
94
93
93
94
96
96

Pressure (mb)

1007
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

432
430
428
428
428
428
428
427
427
426
426
425
422
424
426
423
419
420
425
430
433
433
429
422

Monday 9

Third Quarter 53%

02:04

10:02

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:02, Set: 17:33, Transit: 12:47. Moon - Rise: 02:04, Set: 10:02. Civil Dark: 18:10 - 07:25. Nautical Dark: 18:51 - 06:44. Astro Dark: 19:31 - 06:04

Total Clouds (% Sky Obscured)

96
98
100
100
100
100
100
98
99
100
100
97
87
80
100
100
100
100
99
99
99
95
89
94

Low Clouds (% Sky Obscured)

93
96
100
100
100
100
99
98
99
100
100
97
87
79
79
45
27
42
55
65
55
53
52
54

Medium Clouds (% Sky Obscured)

3
2
2
4
10
10
4
0
0
0
0
0
48
50
50
50
50
100
97
89
97
52
42
50

High Clouds (% Sky Obscured)

3
4
8
23
12
45
50
50
46
41
45
49
41
39
100
100
100
100
56
9
6
3
1
6

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
1
1
2
2
1
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
2
2
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)

9
9
9
10
9
10
9
9
8
9
9
10
10
10
10
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
91
93
89
91
91
91
91
91
89
88
85
82
82
85
91
94
94
94
94
96
94

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1009
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006

Ozone (du)

424
429
435
435
437
440
443
446
449
446
438
435
435
437
441
446
436
417
417
421
422
419
412
406

Tuesday 10

Waning Crescent 43%

03:20

10:23

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:00, Set: 17:35, Transit: 12:47. Moon - Rise: 03:20, Set: 10:23. Civil Dark: 18:11 - 07:23. Nautical Dark: 18:52 - 06:42. Astro Dark: 19:33 - 06:02

Total Clouds (% Sky Obscured)

94
96
92
90
84
92
96
96
96
91
97
82
98
99
100
100
100
100
83
95
97
100
100
100

Low Clouds (% Sky Obscured)

56
46
44
54
56
62
72
68
68
68
72
45
35
29
23
26
22
20
18
25
37
62
66
68

Medium Clouds (% Sky Obscured)

46
50
49
45
2
40
61
82
76
69
82
41
84
84
100
100
100
100
50
55
89
92
97
97

High Clouds (% Sky Obscured)

26
26
28
63
37
86
90
85
64
7
41
26
76
95
97
100
100
79
19
57
77
100
99
99

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
5
27
38
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

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
3
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
7
8
7
7
7
8
8
7
7
8
10
10
11
11
9
9
9
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
94
94
94
92
92
86
80
76
75
74
76
79
85
91
91
91
89
86
86

Pressure (mb)

1005
1005
1005
1004
1004
1003
1003
1003
1002
1002
1002
1002
1001
1000
999
998
998
997
996
996
995
994
993
992

Ozone (du)

402
400
395
397
405
406
394
392
392
386
376
377
385
394
392
388
387
377
372
372
371
360
355
355

Wednesday 11

Waning Crescent 34%

04:32

10:53

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:58, Set: 17:37, Transit: 12:47. Moon - Rise: 04:32, Set: 10:53. Civil Dark: 18:13 - 07:22. Nautical Dark: 18:54 - 06:41. Astro Dark: 19:34 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
97
99

Low Clouds (% Sky Obscured)

74
71
69
63
61
60
61
72
86
99
99
100
100
98
96
94
96
98
100
94
88
83
89
94

Medium Clouds (% Sky Obscured)

99
70
50
80
99
99
98
99
99
100
100
100
100
99
79
61
67
77
62
48
39
33
39
93

High Clouds (% Sky Obscured)

98
99
99
100
99
98
98
98
99
100
100
100
100
73
45
18
45
73
100
73
52
31
41
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
3
1
2
5
9
9
9
9
9
9
9
9
9
8
8

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

1
5
7
25
19
22
38
61
74
84
89
95
95
90
85
84
85
88
81
72
66
61
57
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.6
0.6
0.9
0.9
0.7
0.6
0.5
0.6
0.6
0.5
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
91
93
94
94
94
94
94
98
98
98
94
94
94
94
93
94
91
90
91
91
91
91

Pressure (mb)

991
991
990
989
988
987
986
985
985
984
984
983
983
983
982
982
982
982
982
982
981
981
981
980

Ozone (du)

355
351
347
347
348
347
345
345
348
355
360
364
369
368
372
382
388
395
395
399
396
391
396
398

Thursday 12

Waning Crescent 25%

05:35

11:36

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:56, Set: 17:39, Transit: 12:47. Moon - Rise: 05:35, Set: 11:36. Civil Dark: 18:15 - 07:20. Nautical Dark: 18:56 - 06:39. Astro Dark: 19:36 - 05:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
94
100
100
100
82
83
85
92
100
98
95
93
95
98
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

45
48
50
60
52
88
86
91
95
100
100
100
100
88
74
61
70
78
92
95
97
97
96
94

High Clouds (% Sky Obscured)

66
43
37
36
38
41
44
63
77
100
100
100
99
97
96
96
71
43
14
10
6
3
7
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3
2
2
4

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

16
18
28
26
23
21
17
29
36
45
60
72
83
95
91
54
53
56
62
67
74
81
81
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
1.3
0.7
0.2
0
0
0.3
0.3
0.4
0.6
0.5
0.7

Wind Speed/Direction (mph)

11
10
10
10
9
9
10
8
8
8
8
10
11
11
11
11
11
11
10
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
94
94
88
91
93
94
93
90
88
82
82
84
83
88
93
96
94
94
93
93

Pressure (mb)

980
979
979
979
978
978
978
978
979
979
979
980
980
980
980
980
980
981
981
981
981
981
982
982

Ozone (du)

403
404
407
408
413
418
422
420
420
421
425
428
433
432
435
439
443
447
452
456
451
446
441
444

Friday 13

Waning Crescent 17%

06:25

12:35

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:54, Set: 17:41, Transit: 12:47. Moon - Rise: 06:25, Set: 12:35. Civil Dark: 18:17 - 07:18. Nautical Dark: 18:58 - 06:37. Astro Dark: 19:38 - 05:57

Total Clouds (% Sky Obscured)

100
93
84
79
85
90
95
97
99
100
89
78
67
61
57
51
45
39
36
38
39
47
47
51

Low Clouds (% Sky Obscured)

100
90
77
65
74
81
87
91
95
100
88
76
61
55
48
43
39
35
31
37
39
47
47
47

Medium Clouds (% Sky Obscured)

96
87
81
79
83
84
75
54
33
10
15
27
37
47
53
51
45
31
19
14
6
0
0
0

High Clouds (% Sky Obscured)

13
10
10
7
4
2
1
1
1
2
7
11
15
11
8
3
1
0
0
0
0
0
2
2

ISS Passover

Visibility (miles)

6
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

Light Rain
Light Rain
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
78
59
41
34
31
27
23
20
18
16
14
6
12
14
16
15
15
14
17
18
18
19
20

Precipitation Amount (mm)

0.9
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
91
89
89
89
89
88
85
80
78
79
79
82
85
88
93
91
89
88
86

Pressure (mb)

982
982
983
983
983
984
984
984
985
986
986
987
987
988
988
988
989
989
990
990
991
991
991
991

Ozone (du)

447
449
450
451
452
449
446
443
442
441
440
439
438
436
435
433
431
429
427
425
426
426
427
427

Saturday 14

Waning Crescent 10%

07:01

13:47

Sun - Rise: 07:52, Set: 17:43, Transit: 12:47. Moon - Rise: 07:01, Set: 13:47. Civil Dark: 18:19 - 07:16. Nautical Dark: 18:59 - 06:35. Astro Dark: 19:40 - 05:55

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 Groningen, Gemeente Groningen, Netherlands (53.22,6.57)

Generated: 08/02/26 00:20:01. Forecast: 08/02/26 to 14/02/26. Timezone: UTC+1.00